CN111021343A - Construction method of upright post pile - Google Patents
Construction method of upright post pile Download PDFInfo
- Publication number
- CN111021343A CN111021343A CN201911179392.1A CN201911179392A CN111021343A CN 111021343 A CN111021343 A CN 111021343A CN 201911179392 A CN201911179392 A CN 201911179392A CN 111021343 A CN111021343 A CN 111021343A
- Authority
- CN
- China
- Prior art keywords
- reinforcement cage
- steel pipe
- steel
- pile
- bracket
- 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
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
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
Abstract
The invention relates to a construction method of a vertical column pile, which comprises the following steps: forming a pile hole according to the construction of a stand column pile to be constructed; providing a steel reinforcement cage and a steel pipe, concentrically arranging the steel pipe and the steel reinforcement cage and fixedly connecting the steel pipe and the steel reinforcement cage into a whole; integrally hoisting the reinforcement cage and the steel pipe to the position above the pile hole, and downward placing the centers of the reinforcement cage and the steel pipe to be aligned with the center of the pile hole and inserting the reinforcement cage and the steel pipe into the pile hole; to stake hole cast in place concrete in order to form the stand pile, guaranteed that steel reinforcement cage and steel pipe set up with one heart, prevented that steel reinforcement cage off normal from sinking, hang earlier steel reinforcement cage among the solution prior art and put in the stand stake downthehole, insert the bottom of steel pipe and locate in the steel reinforcement cage after that, then at drill way department welded fastening steel reinforcement cage and steel pipe, be difficult to guarantee that steel reinforcement cage and steel pipe position are stable this moment, be difficult to guarantee the concentric problem that sets up of fixed back steel pipe and steel reinforcement cage.
Description
Technical Field
The invention relates to the field of building construction, in particular to a construction method of a vertical column pile.
Background
In the foundation pit supporting engineering, the upright post pile is a common supporting form. According to CN109403343A, a deep foundation pit supporting construction method combining a steel reinforcement cage and a steel pipe column discloses a deep foundation pit supporting construction method combining a steel reinforcement cage and a steel pipe column, which comprises the following steps: 1) forming a column pile hole; 2) hoisting a reinforcement cage into the pile hole of the upright column, correcting and fixing the reinforcement cage; 3) the steel pipes are butted in pairs to form a steel pipe column; 4) placing the steel pipe column into a pile hole of the stand column, wherein the distance range of the lower part of the steel pipe column, which is placed below and embedded into the reinforcement cage, is 2-4 meters, the steel pipe column and the reinforcement cage form a superposition area, and fixing the steel pipe column; 5) the superposition area is provided with a gap area, the gap area is provided with a plurality of fixing frames, the upper parts of the fixing frames are used for fixing the steel reinforcement cage, and the lower parts of the fixing frames are used for fixing the steel tube, so that the steel reinforcement cage and the steel tube are relatively fixed; 6) the reinforcement cage and the steel pipe column form a whole; 7) the whole body is lowered to the elevation of the pile bottom; 8) and (5) pouring concrete.
Among the prior art, hoist the steel reinforcement cage earlier usually to put the steel reinforcement cage in the stand stake is downthehole, hoist and mount the steel pipe afterwards, in inserting the bottom of steel pipe and locating the steel reinforcement cage, then at drill way department welded fastening steel reinforcement cage and steel pipe, nevertheless be difficult to guarantee that steel reinforcement cage and steel pipe position are stable when the drill way welding, be difficult to guarantee that fixed back steel pipe and steel reinforcement cage set up with one heart, influence construction quality.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides a construction method of a vertical column pile, and solves the problems that in the prior art, a reinforcement cage and a steel pipe are welded and fixed at an orifice, the positions of the reinforcement cage and the steel pipe are difficult to ensure to be stable, and the steel pipe and the reinforcement cage are difficult to ensure to be concentrically arranged after being fixed.
The technical scheme for realizing the purpose is as follows:
the invention provides a construction method of a vertical column pile, which comprises the following steps:
forming a pile hole according to the construction of a stand column pile to be constructed;
providing a steel reinforcement cage and a steel pipe, and concentrically arranging and fixedly connecting the steel pipe and the steel reinforcement cage into a whole;
integrally hoisting the reinforcement cage and the steel pipe to the position above the pile hole, aligning the centers of the reinforcement cage and the steel pipe with the center of the pile hole, and placing the reinforcement cage and the steel pipe in the pile hole in a downward mode; and
and pouring concrete into the pile hole to form the upright pile.
The construction method of the stud pile of the present invention is further improved in that,
will the steel pipe with the steel reinforcement cage concentric setting and rigid coupling become an organic whole, include:
providing a first bracket and a second bracket, wherein the height difference of the first bracket and the second bracket is equal to the radius difference of the reinforcement cage and the steel pipe;
arranging the first bracket on a horizontal plane, and horizontally arranging the steel pipe on the first bracket;
horizontally hoisting the reinforcement cage to one end of the reinforcement cage to be sleeved on the steel pipe;
arranging the second bracket on a horizontal plane and supporting the second bracket on the reinforcement cage, so that the steel pipe and the reinforcement cage are concentrically arranged; and
and fixedly connecting the reinforcement cage and the steel pipe into a whole.
In a further improvement of the construction method of the stud pile of the present invention, the first support includes:
a pair of first supporting frames arranged oppositely;
the first supporting rod is transversely connected to the top end of the first supporting frame and supported at the bottom of the steel pipe;
the second bracket, comprising:
a pair of second supporting frames arranged oppositely;
and the second supporting rod is transversely connected to the top end of the second supporting frame and supported at the bottom of the reinforcement cage.
The construction method of the column pile of the invention is further improved in that the steel reinforcement cage and the steel pipe are fixedly connected into a whole, and the construction method comprises the following steps:
and providing a plurality of reinforcing heads, fixing the reinforcing heads on the steel pipes, and fixedly connecting the reinforcing heads with the main reinforcements of the reinforcement cage after the reinforcement cage is moved in place.
The construction method of the upright post pile is further improved in that the reinforcing steel bar head is of a T-shaped structure.
The construction method of the column pile of the invention is further improved in that the reinforcement cage and the steel pipe are fixedly connected into a whole, and the construction method further comprises the following steps:
and providing a stirrup adaptive to the steel pipe, wherein the stirrup is provided with a plurality of connection ends in a divergent shape, the steel pipe is sleeved with the stirrup, and the connection ends of the stirrup are fixedly connected with the main reinforcement of the steel reinforcement cage.
The construction method of the upright post pile is further improved in that the stirrup is a # -shaped stirrup formed by vertically and fixedly connecting four reinforcing steel bars.
The construction method of the upright post pile is further improved in that the construction method further comprises the following steps:
providing a pile casing, embedding the pile casing according to a to-be-constructed upright post pile, and drilling a hole in the pile casing to form a pile hole;
and pulling out the pile casing after the concrete is finally set.
The construction method of the upright post pile is further improved in that the construction method further comprises the following steps:
fixing a hanging rib at the top end of the steel pipe;
a pair of hanging rods is transversely fixed at the top of the pile casing; and
after the steel pipe is placed in the pile hole, the hanging ribs are hung on the hanging rods to fix the steel pipe.
The construction method of the upright post pile is further improved in that the steel reinforcement cage and the steel pipe are integrally hoisted to the position above the pile hole, and the method comprises the following steps:
providing a first hanger, and connecting the first hanger to the reinforcement cage;
providing a second hanger, and connecting the second hanger to the steel pipe; and
and connecting the first hanging piece and the second hanging piece to hoisting equipment, and integrally hoisting the steel reinforcement cage and the steel pipe by adopting the hoisting equipment.
The construction method of the upright post pile has the beneficial effects that:
according to the invention, the steel reinforcement cage and the steel tube are concentrically arranged and fixedly connected into a whole on the horizontal plane, so that the steel tube and the steel reinforcement cage are concentrically arranged after being fixed, and the welding is accurate. The steel reinforcement cage and the steel pipe are horizontally placed on the support and welded, so that the occupied time of a crane is reduced, and the construction efficiency is improved.
During hoist and mount, steel pipe and steel reinforcement cage are equallyd divide and do not are connected with the lifting rope, strengthen the hoist and mount connection of hoisting equipment and steel pipe respectively, set up steel reinforcement cage and steel pipe integral hoisting to the stake downthehole, steel reinforcement cage and the concentric setting of steel pipe have been guaranteed, steel reinforcement cage off normal has been prevented to sink, and construction convenience, it puts the steel reinforcement cage hoist earlier in the stand stake downthehole to solve among the prior art, insert the bottom of steel pipe in locating the steel reinforcement cage after that, then at drill way department welded fastening steel reinforcement cage and steel pipe, be difficult to guarantee steel reinforcement cage and steel pipe position stability this moment, be difficult to guarantee the concentric problem that sets up of fixed back steel pipe and steel reinforcement cage.
Drawings
Fig. 1 is a front view showing a construction state of a method of constructing a stud pile according to the present invention.
Fig. 2 is a schematic view showing the connection between a steel pipe and a reinforcement cage according to the construction method of a stud pile of the present invention.
Fig. 3 is a cross-sectional view a-a of fig. 1.
Fig. 4 is a top view of fig. 1.
Detailed Description
The invention is further described with reference to the following figures and specific examples.
Referring to fig. 1, there is shown a front view of a construction state of the construction method of the stud pile of the present invention. As shown in fig. 1, the construction method of the column pile of the present invention includes the steps of:
excavating pile holes;
providing a reinforcement cage 10 and a steel pipe 20, and concentrically arranging and fixedly connecting the steel pipe 20 and the reinforcement cage 10 into a whole;
integrally hoisting the reinforcement cage 10 and the steel pipe 20 to the position above the pile hole, and downward placing the centers of the reinforcement cage 10 and the steel pipe 20 aligned with the center of the pile hole to be inserted into the pile hole; and
and pouring concrete into the pile hole to form the upright pile.
The reinforcement cage 10 includes: the main rib, the spiral hoop and the stiffening hoop are 6m long. The thickness of the protective layer of the main rib is 50 mm. The processing and manufacturing of the reinforcement cage are carried out in a centralized way in the processing field.
The total length of the steel pipe is equal to the bottom elevation of the first supporting beam plus 0.4 m-the bottom elevation of the basement plus 3 m. And (4) removing rust on the surface of the steel pipe, and then brushing anti-rust paint to prevent rust. Two adjacent steel pipes are connected by a flange plate, and the whole steel pipes are not required to be connected if being blanked.
The construction method of the column pile of the invention is further improved in that the steel reinforcement cage 10 and the steel pipe 20 are integrally hoisted to the position above the pile hole, and the construction method comprises the following steps:
providing a first hanger, and connecting the first hanger to the reinforcement cage 10;
providing a second hanger, and connecting the second hanger to the steel pipe 20; and
and connecting the first hanging part and the second hanging part to hoisting equipment, and integrally hoisting the steel reinforcement cage 30 and the steel pipe 20 by adopting the hoisting equipment. The first hanger and the second hanger are both lifting ropes.
In the prior art, a steel reinforcement cage is generally hoisted firstly to be hoisted in a column pile hole, then a steel pipe is hoisted to be inserted at the bottom end of the steel pipe in the steel reinforcement cage, namely, the steel reinforcement cage and the steel pipe are respectively hoisted conveniently, and then the steel reinforcement cage and the steel pipe are welded and fixed at an orifice. But steel reinforcement cage and steel pipe are fixed in the department welding of drill way, and steel reinforcement cage and steel pipe position are unstable, are difficult to guarantee that steel reinforcement cage and steel pipe set up with one heart. The construction method is characterized in that the reinforcement cage and the steel pipe are concentrically arranged and fixedly connected into a whole on the ground, and the steel pipes are fixedly connected through a plurality of steel bars to ensure firmness. During follow-up integral hoisting, the steel reinforcement cage and the steel pipe that form an organic whole are of great quality and size, adopt first hanger to connect steel reinforcement cage and lifting device, adopt the second hanger to connect steel pipe and lifting device, strengthen fixed fastness, error when preventing integral hoisting. The construction method can ensure that the reinforcement cage and the steel pipe are concentrically connected firstly, and can also ensure the safety of integral hoisting.
Fig. 2 is a schematic view showing the connection between the steel pipe and the reinforcement cage according to the method for constructing the stud pile of the present invention. Referring to fig. 1 and 2, the steel tube 20 and the reinforcement cage 10 are concentrically disposed and fixedly connected together, and include:
providing a first bracket 30 and a second bracket 40, wherein the height difference between the first bracket 30 and the second bracket 40 is equal to the radius difference between the reinforcement cage 10 and the steel pipe 20;
arranging the first support 30 on a horizontal plane, and horizontally supporting the steel pipe 20 on the first support 30;
horizontally hoisting the reinforcement cage 10 to one end of the reinforcement cage 10, and sleeving the steel pipe 20;
arranging a second bracket 40 on a horizontal plane and supporting the reinforcement cage 10, so that the steel pipe 20 and the reinforcement cage 10 are concentrically arranged; and
the reinforcement cage 10 and the steel pipe 20 are fixedly connected into a whole.
As a preferred embodiment of the method for constructing a stud pile according to the present invention, as shown in fig. 1 and 2, the first bracket 30 includes: a pair of first supporting frames arranged oppositely; the first supporting rod is transversely connected to the top end of the first supporting frame and supported at the bottom of the steel pipe 20; a second bracket 40 comprising: a pair of second support frames arranged oppositely: and the second supporting rod is transversely connected to the top end of the second supporting frame and supported at the bottom of the reinforcement cage 10.
As a preferred embodiment of the method for constructing a stud pile according to the present invention, the method for fixedly connecting a reinforcement cage 10 and a steel pipe 20 together includes: a plurality of tendons 50 are provided, the tendons 50 are fixed to the steel pipes 20, and the tendons 50 are fixedly connected to the cage 10 main bars after the cage 10 is moved into position. In this embodiment, the tendon heads 50 are T-shaped.
Further, still include the Z style of calligraphy structural steel bar of connecting steel reinforcement cage 10 and steel pipe 20, the straight section of two parallels each other of Z style of calligraphy structural steel bar is fixed in steel reinforcement cage 10 and steel pipe 20 respectively to strengthen the connection of steel reinforcement cage 10 and steel pipe 20.
Furthermore, the invention also comprises a red paint mark sprayed at the position 3m of the lower end of the steel pipe 20, and the section is a part inserted in the steel reinforcement cage 20. The steel bar heads 50 are welded in the 3m sections, the length of each steel bar head 50 is 600-50-10-25-609/2 mm to 210.5mm, and the steel bar heads are arranged at the upper part and the lower part and used for positioning the steel pipe 20 in the steel bar cage 10.
As a preferred embodiment of the construction method of the stud pile of the present invention, refer to fig. 3 which is a sectional view a-a of fig. 1. As shown in fig. 1 to 3, the method for fixedly connecting the reinforcement cage 10 and the steel pipe 20 into a whole further includes: the stirrup 60 adapted to the steel tube 20 is provided, the stirrup 60 is provided with a plurality of connection ends in a divergent shape, the steel tube 20 is sleeved with the stirrup 60, and the connection ends of the stirrup 60 are fixedly connected with the main reinforcement of the steel reinforcement cage 10.
In this embodiment, the stirrup 60 is a cross-shaped stirrup formed by vertically connecting four steel bars. Four reinforcing bars are all pasted and are located steel pipe 20 and carry out spacingly to steel pipe 20.
In this embodiment, adopt the channel-section steel preparation support, 2 supports that 260mm is high are used for the level to place the steel reinforcement cage, 2 the steel pipe is placed to being used for the level of the high support of 500 mm.
And horizontally hoisting the steel pipe to the support to enable the steel bar heads to be upward, wherein the distance between the support at the lower end of the steel pipe and the lower end is more than 3m, so that the steel bar cage is convenient to install.
And horizontally hoisting the steel reinforcement cage to enable the lower end of the steel pipe to enter the steel reinforcement cage for 3m, and aligning the red paint mark on the steel pipe to the upper end of the steel reinforcement cage. The main reinforcement of the reinforcement cage is welded with the reinforcement head, and 2 supports are placed under the reinforcement cage.
And welding a stirrup consisting of 4 phi 20 steel bars, wherein the stirrup is positioned in the middle of the steel pipe entering the steel reinforcement cage, namely, at a position 1.5m away from the lower end of the steel pipe. 4 reinforcing bars are welded with the main reinforcing bar of the reinforcement cage and the steel pipe.
And (4) processing bent steel bars according to the size, wherein 9 vertical column piles are required. Two straight sections of the bent steel bar are respectively welded with the steel pipe and the steel bar cage main bar, and the length of the welding line is larger than 10 d.
As a preferred embodiment of the construction method of the stud pile of the present invention, the present invention further includes:
providing a pile casing 70, embedding the pile casing 70 according to a to-be-constructed upright pile, and drilling a pile hole in the pile casing 70;
and pulling out the pile casing 70 after the concrete is finally set.
As a preferred embodiment of the construction method of the stud pile of the present invention, refer to fig. 4 which is a plan view of fig. 1. As shown in fig. 1 to 4, the present invention further includes:
fixing a hanging bar at the top end of the steel pipe 20;
a pair of hanging rods 80 are transversely fixed at the top of the protective cylinder 70; and
after the steel pipe 20 is lowered into the pile hole, the steel pipe 20 is fixed by hanging the hanging bar on the hanging rod 80.
In this embodiment, the length of the lifting rib is the platform height, the steel pipe top elevation, and the welding length of the lifting rib and the steel pipe.
In this embodiment, the total number of the stud piles is 46. The diameter of the upright post pile is 1200mm, the rotary drilling or the drilling (punching) of a hole pile is adopted for forming a hole, the underwater concrete C30 is adopted, and the thickness of the steel bar protective layer is 50 mm. The upper end of the upright post pile is a phi 609 multiplied by 16 steel pipe concrete upright post, and C30 concrete is poured to the top of the steel pipe.
The steel pipe enters 3m of the upright post pile, and the top end of the steel pipe enters 0.4m of the supporting beam on the uppermost layer. The elevation of the pile top of the upright post is the elevation of the bottom of the foundation pit, and the standard of the final pile of the upright post is 6m below the pit bottom, such as 6m below a bearing platform. The longest upright column is 18.15m, wherein the length of the steel pipe upright column is 15.15m, the length of the upright column pile is 6m, and the steel pipe enters the upright column pile for 3 m. The steel reinforcement cage length is 6m, and the steel pipe is inserted and is located 3m in the steel reinforcement cage. The sediment thickness of the upright post pile is less than or equal to 50 mm. And after the concrete pouring is finished, backfilling the outer side of the steel pipe by using medium sand.
The construction method of the upright post pile has the beneficial effects that:
according to the invention, the steel reinforcement cage and the steel tube are concentrically arranged and fixedly connected into a whole on the horizontal plane, so that the steel tube and the steel reinforcement cage are concentrically arranged after being fixed, and the welding is accurate. The steel reinforcement cage and the steel pipe are horizontally placed on the support and welded, so that the occupied time of a crane is reduced, and the construction efficiency is improved.
During hoist and mount, steel pipe and steel reinforcement cage are equallyd divide and do not are connected with the lifting rope, strengthen the hoist and mount connection of hoisting equipment and steel pipe respectively, set up steel reinforcement cage and steel pipe integral hoisting to the stake downthehole, steel reinforcement cage and the concentric setting of steel pipe have been guaranteed, steel reinforcement cage off normal has been prevented to sink, and construction convenience, it puts the steel reinforcement cage hoist earlier in the stand stake downthehole to solve among the prior art, insert the bottom of steel pipe in locating the steel reinforcement cage after that, then at drill way department welded fastening steel reinforcement cage and steel pipe, be difficult to guarantee steel reinforcement cage and steel pipe position stability this moment, be difficult to guarantee the concentric problem that sets up of fixed back steel pipe and steel reinforcement cage.
While the present invention has been described in detail and with reference to the embodiments thereof as illustrated in the accompanying drawings, it will be apparent to one skilled in the art that various changes and modifications can be made therein. Therefore, certain details of the embodiments are not to be interpreted as limiting, and the scope of the invention is to be determined by the appended claims.
Claims (10)
1. A construction method of a vertical column pile is characterized by comprising the following steps:
excavating pile holes;
providing a steel reinforcement cage and a steel pipe, and concentrically arranging and fixedly connecting the steel pipe and the steel reinforcement cage into a whole;
integrally hoisting the reinforcement cage and the steel pipe to the position above the pile hole, aligning the centers of the reinforcement cage and the steel pipe with the center of the pile hole, and placing the reinforcement cage and the steel pipe in the pile hole in a downward mode; and
and pouring concrete into the pile hole to form the upright pile.
2. The method for constructing a post pile according to claim 1, wherein the step of concentrically disposing and fixedly connecting the steel pipe and the reinforcement cage into a single body comprises:
providing a first bracket and a second bracket, wherein the height difference of the first bracket and the second bracket is equal to the radius difference of the reinforcement cage and the steel pipe;
arranging the first bracket on a horizontal plane, and horizontally arranging the steel pipe on the first bracket;
horizontally hoisting the reinforcement cage to one end of the reinforcement cage to be sleeved on the steel pipe;
arranging the second bracket on a horizontal plane and supporting the second bracket on the reinforcement cage, so that the steel pipe and the reinforcement cage are concentrically arranged; and
and fixedly connecting the reinforcement cage and the steel pipe into a whole.
3. The method of constructing a post pile according to claim 2, wherein the first support includes:
a pair of first supporting frames arranged oppositely;
the first supporting rod is transversely connected to the top end of the first supporting frame and supported at the bottom of the steel pipe;
the second bracket, comprising:
a pair of second supporting frames arranged oppositely;
and the second supporting rod is transversely connected to the top end of the second supporting frame and supported at the bottom of the reinforcement cage.
4. The method of constructing a post pile according to claim 1,
with steel reinforcement cage with steel pipe rigid coupling becomes an organic whole, includes:
and providing a plurality of reinforcing heads, fixing the reinforcing heads on the steel pipes, and fixedly connecting the reinforcing heads with the main reinforcements of the reinforcement cage after the reinforcement cage is moved in place.
5. The method of constructing a post pile according to claim 4,
the reinforcing steel bar head is of a T-shaped structure.
6. The method of constructing a post pile according to claim 1,
with steel reinforcement cage with steel pipe rigid coupling becomes an organic whole, still includes:
and providing a stirrup adaptive to the steel pipe, wherein the stirrup is provided with a plurality of connection ends in a divergent shape, the steel pipe is sleeved with the stirrup, and the connection ends of the stirrup are fixedly connected with the main reinforcement of the steel reinforcement cage.
7. The method of constructing a post pile according to claim 6,
the stirrup is a # -shaped stirrup formed by vertically and fixedly connecting four reinforcing steel bars.
8. The method of constructing a post pile of claim 1, further comprising:
providing a pile casing, embedding the pile casing according to a to-be-constructed upright post pile, and drilling a hole in the pile casing to form a pile hole;
and pulling out the pile casing after the concrete is finally set.
9. The method of constructing a post pile of claim 8, further comprising:
fixing a hanging rib at the top end of the steel pipe;
a pair of hanging rods is transversely fixed at the top of the pile casing; and
after the steel pipe is placed in the pile hole, the hanging ribs are hung on the hanging rods to fix the steel pipe.
10. The method of constructing a post pile of claim 1, wherein integrally hoisting the reinforcement cage and the steel pipe above the pile hole comprises:
providing a first hanger, and connecting the first hanger to the reinforcement cage;
providing a second hanger, and connecting the second hanger to the steel pipe; and
and connecting the first hanging piece and the second hanging piece to hoisting equipment, and integrally hoisting the steel reinforcement cage and the steel pipe by adopting the hoisting equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911179392.1A CN111021343A (en) | 2019-11-27 | 2019-11-27 | Construction method of upright post pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911179392.1A CN111021343A (en) | 2019-11-27 | 2019-11-27 | Construction method of upright post pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111021343A true CN111021343A (en) | 2020-04-17 |
Family
ID=70207153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911179392.1A Pending CN111021343A (en) | 2019-11-27 | 2019-11-27 | Construction method of upright post pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111021343A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111761003A (en) * | 2020-07-09 | 2020-10-13 | 中建四局第一建筑工程有限公司 | Super-large-diameter cast-in-place pile double-layer reinforcement cage with embedded pipe and manufacturing method thereof |
| CN114277782A (en) * | 2021-12-30 | 2022-04-05 | 中国建筑第八工程局有限公司 | Pile-column integrated structure adopting pre-inserting method and construction method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202509485U (en) * | 2012-04-19 | 2012-10-31 | 北京鑫畅路桥建设有限公司 | Reinforcement cage production device |
| JP5095719B2 (en) * | 2009-12-28 | 2012-12-12 | 大豊建設株式会社 | Cast-in-place pile construction method |
| CN103205964A (en) * | 2013-04-01 | 2013-07-17 | 中冶交通工程技术有限公司 | Cast-in-place pile construction method using steel pipe column splicing piles |
| CN205822173U (en) * | 2016-07-22 | 2016-12-21 | 湖南省第五工程有限公司 | A kind of Large-size rebar cage makes positioner |
| CN209538185U (en) * | 2018-11-19 | 2019-10-25 | 深圳市工勘岩土集团有限公司 | The deep foundation pit supporting construction structure of steel reinforcement cage and steel pipe column combination |
-
2019
- 2019-11-27 CN CN201911179392.1A patent/CN111021343A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5095719B2 (en) * | 2009-12-28 | 2012-12-12 | 大豊建設株式会社 | Cast-in-place pile construction method |
| CN202509485U (en) * | 2012-04-19 | 2012-10-31 | 北京鑫畅路桥建设有限公司 | Reinforcement cage production device |
| CN103205964A (en) * | 2013-04-01 | 2013-07-17 | 中冶交通工程技术有限公司 | Cast-in-place pile construction method using steel pipe column splicing piles |
| CN205822173U (en) * | 2016-07-22 | 2016-12-21 | 湖南省第五工程有限公司 | A kind of Large-size rebar cage makes positioner |
| CN209538185U (en) * | 2018-11-19 | 2019-10-25 | 深圳市工勘岩土集团有限公司 | The deep foundation pit supporting construction structure of steel reinforcement cage and steel pipe column combination |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111761003A (en) * | 2020-07-09 | 2020-10-13 | 中建四局第一建筑工程有限公司 | Super-large-diameter cast-in-place pile double-layer reinforcement cage with embedded pipe and manufacturing method thereof |
| CN114277782A (en) * | 2021-12-30 | 2022-04-05 | 中国建筑第八工程局有限公司 | Pile-column integrated structure adopting pre-inserting method and construction method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108643192A (en) | Brace in Deep Footing Groove supporting ultralong steel tube column pile construction method | |
| CN110904953B (en) | Steel reinforcement cage suspension frame and installation method of super-long and super-heavy steel reinforcement cage | |
| CN111021343A (en) | Construction method of upright post pile | |
| CN110904954B (en) | Suspension rack for suspending steel reinforcement cage | |
| CN113605390B (en) | Accurate positioning structure for pile connection and construction method | |
| CN111676993A (en) | Special construction method for constructing basement foundation by inserting steel structure | |
| CN110904956B (en) | Cast-in-place pile construction process | |
| CN209703486U (en) | A kind of multifunctional well bracket of pile foundation steel bar cage construction positioning | |
| CN111424649A (en) | Construction technology for accurately positioning pile position of cast-in-place pile aiming at complex geology of large-scale venue in river region | |
| CN214832864U (en) | Raft steel column base support | |
| CN113638417B (en) | Pile connection accurate positioning pouring system and construction method | |
| CN101424177A (en) | Down-in type marginal oil field underwater drilling basal disc for drilling ship and manufacture and installation method | |
| CN205822454U (en) | A kind of welding lattice column device | |
| CN210238492U (en) | Crown beam type miniature pile construction formwork capable of being circulated | |
| CN110747875A (en) | Construction method for building scaffold for open caisson construction of cyclone tank | |
| CN112982412A (en) | Pile foundation reinforcement cage construction positioning method | |
| CN112160325A (en) | Composite supporting structure for enhancing rigidity of prestressed pipe pile | |
| CN111622347A (en) | Cross-shaped node connecting structure of assembled frame structure and construction method thereof | |
| CN114753299B (en) | Pile-cap-free fully-assembled wharf structure and construction method thereof | |
| CN215629895U (en) | Pile foundation reinforcement cage suspension positioning structure | |
| CN215479258U (en) | Accurate hoist and mount system is connected to stake | |
| CN217651989U (en) | Connecting device of lattice column | |
| CN211285575U (en) | Positioning device for suspension rod of reinforcement cage | |
| CN214116620U (en) | Adjustable support for accurate positioning of permanent double-steel-pipe column | |
| CN109235453A (en) | Deep basal pit PRC tubular pole assembled method for protecting support |
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: 20200417 |