CN111549764A - Trestle steel pipe pile bottom anchoring joint - Google Patents
Trestle steel pipe pile bottom anchoring joint Download PDFInfo
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- CN111549764A CN111549764A CN202010474704.8A CN202010474704A CN111549764A CN 111549764 A CN111549764 A CN 111549764A CN 202010474704 A CN202010474704 A CN 202010474704A CN 111549764 A CN111549764 A CN 111549764A
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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
- E02D5/24—Prefabricated piles
- E02D5/28—Prefabricated piles made of steel or other metals
- E02D5/285—Prefabricated piles made of steel or other metals tubular, e.g. prefabricated from sheet pile elements
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D15/00—Movable or portable bridges; Floating bridges
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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
- E02D5/74—Means for anchoring structural elements or bulkheads
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- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Architecture (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses a trestle steel pipe pile bottom anchoring joint which comprises a steel casing and a reinforcing pipe, wherein the steel casing is vertically arranged, the reinforcing pipe is sleeved at the lower end of the steel casing, the outer wall of the steel casing is attached to the inner wall of the reinforcing pipe, the lower end face of the steel casing and the lower end face of the reinforcing pipe form an annular rock breaking surface, and the annular rock breaking surface is obliquely arranged. By adopting the trestle steel pipe pile bottom anchoring joint, the bottom of the steel casing is reinforced by the reinforcing pipe, so that the strength of the bottom of the steel casing in the hammering rock entering process is ensured; the reinforcing rib plate improves the strength of the steel casing and increases the anchoring force between the steel casing and concrete; the slope of annular broken rock face sets up, and the increase steel protects the area of contact of a section of thick bamboo and abrupt slope, improves the anti-sliding ability of a steel section of thick bamboo, and broken rock tooth has reduced the income rock degree of difficulty of a steel section of thick bamboo, and its simple structure, the installation of being convenient for has shortened construction cycle.
Description
Technical Field
The invention relates to a steel pipe anchoring joint, in particular to a trestle steel pipe pile bottom anchoring joint.
Background
The trestle is as the interim auxiliary structure of bridge main part during construction, for accelerating the construction progress, practice thrift the cost, adopts light in weight, construction convenience, the good steel construction of atress characteristic as the major structure of trestle more, if extensively adopt the steel-pipe pile as substructure, bailey roof beam as superstructure. For trestle construction, the construction of steel pipe piles in a lower structure is a key point and a difficult point in the whole trestle construction, and the current common construction method is a hammering method, wherein the steel pipe piles are hammered by a pile hammer and are driven into a riverbed covering layer, so that the steel pipe piles are fixed. However, for the engineering environment of bare riverbed bedrock, steep riverbed, large river depth, frequent water level change and large water flow velocity, the steel pipe pile is very easy to have the serious influence on the pile position and the perpendicularity of the pile body, such as 'pile slipping' and 'pile running' in the self-sinking and lowering process.
Disclosure of Invention
In order to solve the technical problems, the invention provides the trestle steel pipe pile bottom anchoring joint which has the advantages of slippage resistance, large contact area, reduction of rock entering difficulty and the like.
The technical scheme is as follows:
the anchoring joint at the bottom of the trestle steel pipe pile is characterized by comprising a steel casing and a reinforcing pipe, wherein the steel casing is vertically arranged, and the reinforcing pipe is sleeved at the lower end of the steel casing;
the outer wall of the steel casing is attached to the inner wall of the reinforcing pipe, the lower end face of the steel casing is in an annular rock breaking face with the lower end face of the reinforcing pipe, and the annular rock breaking face is obliquely arranged.
The effect of adopting above scheme: the outer wall of a steel protects a section of thick bamboo sets up the reinforced pipe, improves the intensity of steel protecting a bottom portion, the slope of annular broken rock face sets up, and the increase steel protects a contact area with the abrupt slope, improves the anti-sliding ability of a steel protecting.
The annular rock breaking surface is annularly provided with a plurality of rock breaking teeth, tooth roots of the rock breaking teeth are fixedly connected with the annular rock breaking surface, and tooth tips of the rock breaking teeth face downwards.
The pipe wall of the lower end of the steel casing and the pipe wall of the lower end of the reinforcing pipe are both cut into saw-toothed shapes, and the saw teeth on the end face of the lower end of the steel casing and the saw teeth on the end face of the lower end of the reinforcing pipe form the rock breaking teeth. The advantage of adopting above technical scheme is, improves the broken rock ability of steel casing lower extreme.
And the sawteeth on the lower end surface of the steel casing and the sawteeth on the lower end surface of the reinforcing pipe are in one-to-one correspondence and welded.
The inner wall of the steel protective cylinder is also provided with a plurality of strip-shaped reinforcing rib plates which are vertically arranged, and all the reinforcing rib plates are uniformly arranged around the inner wall of the steel protective cylinder in the circumferential direction.
The width direction of the reinforcing rib plate is arranged along the radial direction of the steel protective cylinder, the outer side edge of the reinforcing rib plate is welded with the inner wall of the steel protective cylinder, the inner side edge of the reinforcing rib plate faces the center line of the steel protective cylinder, the lower end face of the reinforcing rib plate is a guide inclined plane, and the guide inclined plane faces the center line of the steel protective cylinder.
All the reinforcing rib plates are equal in length, and the lower edges of all the reinforcing rib plates are close to the annular rock breaking surface of the steel casing.
The edge of the inner side of the upper end of the reinforcing pipe is welded with the outer wall of the steel casing;
the steel casing is characterized in that a plurality of welding seams are distributed on the reinforcing pipe in the circumferential direction, the welding seams penetrate through the pipe wall of the reinforcing pipe, the welding seams extend along the direction of the central line of the reinforcing pipe, and the reinforcing pipe is welded with the outer wall of the steel casing through each welding seam.
The welding seams and the reinforcing rib plates are distributed in a circumferential staggered mode. The steel casing has the advantages that stress is dispersed, and damage to the steel casing caused by stress concentration is avoided.
Has the advantages that: the bottom of the steel casing is reinforced by the reinforcing pipe, so that the strength of the bottom of the steel casing in the hammering rock entering process is ensured; the reinforcing rib plate improves the strength of the steel casing and increases the anchoring force between the steel casing and concrete; the slope of annular broken rock face sets up, and the increase steel protects the area of contact of a section of thick bamboo and abrupt slope, improves the anti-sliding ability of a steel section of thick bamboo, and broken rock tooth has reduced the income rock degree of difficulty of a steel section of thick bamboo, and its simple structure, the installation of being convenient for has shortened construction cycle.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
fig. 3 is a bottom view of fig. 1.
Detailed Description
The present invention will be further described with reference to the following examples and the accompanying drawings.
As shown in fig. 1 to 3, the trestle steel pipe pile bottom anchoring joint mainly comprises a steel casing 1 and a reinforcing pipe 2, wherein the steel casing 1 is vertically arranged, and the reinforcing pipe 2 is sleeved outside the lower end of the steel casing 1;
the outer wall of the steel casing 1 is attached to the inner wall of the reinforcing pipe 2, the lower end face of the steel casing 1 is attached to the lower end face of the reinforcing pipe 2 to form an annular rock breaking face, and the annular rock breaking face is obliquely arranged.
Wherein:
the annular rock breaking surface is annularly provided with a plurality of rock breaking teeth, tooth roots of the rock breaking teeth are fixedly connected with the annular rock breaking surface, and tooth tips of the rock breaking teeth face downwards.
The lower end pipe wall of the steel casing 1 and the lower end pipe wall of the reinforcing pipe 2 are all cut into saw-toothed shapes, and the saw teeth on the end face of the lower end of the steel casing 1 and the saw teeth on the end face of the lower end of the reinforcing pipe 2 form rock breaking teeth.
And the sawteeth on the lower end surface of the steel casing 1 correspond to the sawteeth on the lower end surface of the reinforcing pipe 2 one by one and are welded.
The inner wall of the steel protective cylinder 1 is further provided with a plurality of strip-shaped reinforcing rib plates 3, the reinforcing rib plates 3 are vertically arranged, and all the reinforcing rib plates 3 are uniformly arranged around the inner wall of the steel protective cylinder 1 in the circumferential direction.
The width direction of the reinforcing rib plate 3 is arranged along the radial direction of the steel casing 1, the outer side edge of the reinforcing rib plate 3 is welded with the inner wall of the steel casing 1, the inner side edge of the reinforcing rib plate 3 faces the center line of the steel casing 1, the lower end face of the reinforcing rib plate 3 is a guide slope, and the guide slope faces the center line of the steel casing 1.
The lengths of all the reinforcing rib plates 3 are equal, the lower edges of all the reinforcing rib plates are close to the annular rock breaking surface of the steel casing 1, and the inner side edge of the upper end of the reinforcing pipe 2 is welded with the outer wall of the steel casing 1;
a plurality of welding seams 4 are circumferentially distributed on the reinforcing pipe 2, the welding seams 4 penetrate through the pipe wall of the reinforcing pipe 2, the welding seams 4 extend along the central line direction of the reinforcing pipe 2, and the reinforcing pipe 2 is welded with the outer wall of the steel casing 1 through each welding seam 4.
The welding seams 4 and the reinforcing rib plates 3 are distributed in a circular staggered mode.
The lower edges of all the reinforcing ribs are equal to the distance between the annular rock breaking surface.
The inclination angle of the annular rock breaking surface is matched with the inclination angle of the riverbed.
Finally, it should be noted that the above-mentioned description is only a preferred embodiment of the present invention, and those skilled in the art can make various similar representations without departing from the spirit and scope of the present invention.
Claims (9)
1. The utility model provides a landing stage steel-pipe pile bottom anchor connects which characterized in that: the steel protecting pipe comprises a steel protecting cylinder (1) and a reinforcing pipe (2), wherein the steel protecting cylinder (1) is vertically arranged, and the reinforcing pipe (2) is sleeved at the lower end of the steel protecting cylinder (1);
the outer wall of the steel casing (1) is attached to the inner wall of the reinforcing pipe (2), the lower end face of the steel casing (1) is in annular rock breaking face shape with the lower end face of the reinforcing pipe (2), and the annular rock breaking face is obliquely arranged.
2. The trestle steel pipe pile bottom anchoring joint of claim 1, which is characterized in that: the annular rock breaking surface is annularly provided with a plurality of rock breaking teeth, tooth roots of the rock breaking teeth are fixedly connected with the annular rock breaking surface, and tooth tips of the rock breaking teeth face downwards.
3. The trestle steel pipe pile bottom anchoring joint of claim 2, which is characterized in that: the lower end pipe wall of the steel casing (1) and the lower end pipe wall of the reinforcing pipe (2) are all cut into saw-toothed shapes, and the saw teeth on the end face of the lower end of the steel casing (1) and the saw teeth on the end face of the lower end of the reinforcing pipe (2) form the rock breaking teeth.
4. The trestle steel pipe pile bottom anchoring joint of claim 3, which is characterized in that: and sawteeth on the lower end face of the steel casing (1) correspond to sawteeth on the lower end face of the reinforcing pipe (2) one by one and are welded.
5. The trestle steel pipe pile bottom anchoring joint of claim 4, which is characterized in that: the inner wall of the steel protective cylinder (1) is also provided with a plurality of strip-shaped reinforcing rib plates (3), the reinforcing rib plates (3) are vertically arranged, and all the reinforcing rib plates (3) are uniformly arranged around the inner wall of the steel protective cylinder (1) in the circumferential direction.
6. The trestle steel pipe pile bottom anchoring joint of claim 5, which is characterized in that: the width direction of the reinforcing rib plate (3) is arranged along the radial direction of the steel protective barrel (1), the outer side edge of the reinforcing rib plate (3) is welded with the inner wall of the steel protective barrel (1), the inner side edge of the reinforcing rib plate (3) faces to the center line of the steel protective barrel (1), the lower end face of the reinforcing rib plate (3) is a guide inclined face, and the guide inclined face faces to the center line of the steel protective barrel (1).
7. The trestle steel pipe pile bottom anchoring joint of claim 6, which is characterized in that: the lengths of all the reinforcing rib plates (3) are equal, and the lower edges of all the reinforcing rib plates are close to the annular rock breaking surface of the steel casing (1).
8. The trestle steel pipe pile bottom anchoring joint of claim 1, which is characterized in that: the inner side edge of the upper end of the reinforcing pipe (2) is welded with the outer wall of the steel casing (1);
a plurality of welding seams (4) are distributed on the reinforcing pipe (2) in the circumferential direction, the welding seams (4) run through the pipe wall of the reinforcing pipe (2), the welding seams (4) extend along the central line direction of the reinforcing pipe (2), and the reinforcing pipe (2) is welded with the outer wall of the steel pile casing (1) through each welding seam (4).
9. The trestle steel pipe pile bottom anchoring joint of claim 7, which is characterized in that: the welding seams (4) and the reinforcing rib plates (3) are distributed in a circumferential staggered mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010474704.8A CN111549764A (en) | 2020-05-29 | 2020-05-29 | Trestle steel pipe pile bottom anchoring joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010474704.8A CN111549764A (en) | 2020-05-29 | 2020-05-29 | Trestle steel pipe pile bottom anchoring joint |
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| Publication Number | Publication Date |
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| CN111549764A true CN111549764A (en) | 2020-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010474704.8A Pending CN111549764A (en) | 2020-05-29 | 2020-05-29 | Trestle steel pipe pile bottom anchoring joint |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112681379A (en) * | 2020-12-23 | 2021-04-20 | 江苏格睿特管网工程有限公司 | Construction method for constructing horseback shaft by 360-degree full-rotation circular shaft pipe shaking machine |
| CN113565000A (en) * | 2021-09-07 | 2021-10-29 | 中铁十一局集团第五工程有限公司 | Trestle is consolidated to steel-pipe pile |
Citations (6)
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|---|---|---|---|---|
| KR100720946B1 (en) * | 2006-09-12 | 2007-05-25 | (주)한맥기술 | Composit pile combined steel tubular pile and concrete pile reinforced with connecting structure |
| CN201713805U (en) * | 2010-06-30 | 2011-01-19 | 浙江中隧桥波形钢腹板有限公司 | Wave stiffening plate hollow steel pipe pile |
| CN203716855U (en) * | 2014-01-15 | 2014-07-16 | 中铁港航局集团有限公司 | Batter pile rock-socketed punching hammer |
| CN205276257U (en) * | 2016-01-06 | 2016-06-01 | 汕头市建筑工程总公司 | Skewed tooth stake point tubular pile |
| CN207143929U (en) * | 2017-07-28 | 2018-03-27 | 苏交科集团股份有限公司 | Pull saw type steel pipe pile |
| CN210134419U (en) * | 2019-03-12 | 2020-03-10 | 中交路桥建设有限公司 | Easily-inserted and driven steel pipe pile |
-
2020
- 2020-05-29 CN CN202010474704.8A patent/CN111549764A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100720946B1 (en) * | 2006-09-12 | 2007-05-25 | (주)한맥기술 | Composit pile combined steel tubular pile and concrete pile reinforced with connecting structure |
| CN201713805U (en) * | 2010-06-30 | 2011-01-19 | 浙江中隧桥波形钢腹板有限公司 | Wave stiffening plate hollow steel pipe pile |
| CN203716855U (en) * | 2014-01-15 | 2014-07-16 | 中铁港航局集团有限公司 | Batter pile rock-socketed punching hammer |
| CN205276257U (en) * | 2016-01-06 | 2016-06-01 | 汕头市建筑工程总公司 | Skewed tooth stake point tubular pile |
| CN207143929U (en) * | 2017-07-28 | 2018-03-27 | 苏交科集团股份有限公司 | Pull saw type steel pipe pile |
| CN210134419U (en) * | 2019-03-12 | 2020-03-10 | 中交路桥建设有限公司 | Easily-inserted and driven steel pipe pile |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112681379A (en) * | 2020-12-23 | 2021-04-20 | 江苏格睿特管网工程有限公司 | Construction method for constructing horseback shaft by 360-degree full-rotation circular shaft pipe shaking machine |
| CN113565000A (en) * | 2021-09-07 | 2021-10-29 | 中铁十一局集团第五工程有限公司 | Trestle is consolidated to steel-pipe pile |
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Application publication date: 20200818 |
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| RJ01 | Rejection of invention patent application after publication |