CN108035243B - Bridge pier column structure special for bicycle and construction method thereof - Google Patents
Bridge pier column structure special for bicycle and construction method thereof Download PDFInfo
- Publication number
- CN108035243B CN108035243B CN201711377497.9A CN201711377497A CN108035243B CN 108035243 B CN108035243 B CN 108035243B CN 201711377497 A CN201711377497 A CN 201711377497A CN 108035243 B CN108035243 B CN 108035243B
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- pipe section
- semicircular
- web plate
- web
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- 238000010276 construction Methods 0.000 title claims abstract description 13
- 238000003466 welding Methods 0.000 claims description 38
- 238000004873 anchoring Methods 0.000 claims description 19
- 238000005520 cutting process Methods 0.000 claims description 11
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 210000001503 joint Anatomy 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000009966 trimming Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000009659 non-destructive testing Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/10—Deep foundations
- E02D27/12—Pile foundations
- E02D27/14—Pile framings, i.e. piles assembled to form the substructure
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/30—Metal
Landscapes
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a bridge pier column structure special for a bicycle, which comprises a bearing platform, pier columns and pile feet, wherein the pier columns are arranged on the upper part of the bearing platform, the pile feet are arranged on the lower part of the bearing platform, and the pier columns comprise: a variable cross-section portion and a constant cross-section portion connected to a bottom of the variable cross-section portion, and each cross-section of the variable cross-section portion has the same shape. The bridge pier column structure special for the bicycle can be assembled and welded in a segmented manner on site, is convenient to transport and has high construction efficiency; and the structure is light, firm and reliable, and the manufacturing cost is low.
Description
Technical Field
The invention relates to the field of structural engineering, in particular to a bridge pier column structure special for a bicycle and a construction method thereof.
Background
The bicycle has the characteristics of green, body building, convenience and the like, and plays an important role in the travel of people. But at present, china lacks a special road for bicycles, and bicycles, pedestrians and motor vehicles are mixed together, so that accidents frequently occur, the driving efficiency of the motor vehicles is affected, potential safety hazards are brought to the bicycles and the pedestrians, and the travelling comfort and convenience of the bicycles are reduced.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a special bridge pier column structure for a bicycle and a construction method thereof, and the structure is simple, the assembly is convenient, and the manufacturing cost is low.
The technical scheme adopted for solving the technical problems is as follows:
in one aspect, a bridge pier structure special for a bicycle is provided, which comprises a bearing platform, a pier and a pile foot, wherein the pier is arranged on the upper part of the bearing platform, the pile foot is arranged on the lower part of the bearing platform, and the pier comprises: a variable cross-section portion and a constant cross-section portion connected to a bottom of the variable cross-section portion, and each cross-section of the variable cross-section portion has the same shape.
Preferably, the cross sections of the variable cross section portion and the constant cross section portion are elliptical, and the cross section area of the variable cross section portion gradually decreases from top to bottom.
Preferably, the variable cross-section portion includes: a first semicircular tube segment, a first web, a second semicircular tube segment, and a second web; the first semicircular pipe section, the first web plate, the second semicircular pipe section and the second web plate are sequentially connected to enclose the variable cross-section part; and the upper parts of the first semicircular pipe section and the second semicircular pipe section are outwards bent.
Preferably, the first semicircular pipe section and the second semicircular pipe section each comprise a plurality of straight line sections which are sequentially connected from top to bottom.
Preferably, the constant section part includes: the third semicircular tube section is positioned at the bottom of the first semicircular tube section, the third web plate is positioned at the bottom of the first web plate, the fourth semicircular tube section is positioned at the bottom of the second semicircular tube section, and the fourth web plate is positioned at the bottom of the second web plate.
Preferably, the pile leg comprises: an anchor base and a support portion provided on the anchor base.
Preferably, a plurality of external stiffening plates are arranged around the outer peripheral surface of the supporting part, and internal stiffening plates which are arranged in a crossing way are arranged inside the supporting part.
Preferably, the lower surface of the anchoring base is provided with a plurality of anchoring ribs.
On the other hand, the construction method of the bridge pier column structure special for the bicycle further comprises the following steps:
s1, cutting a straight-seam pipe into two semi-circles in a half-and-half way to obtain a plurality of straight-line sections, a third semi-circle pipe section and a fourth semi-circle pipe section, and assembling and welding the plurality of straight-line sections to form a first semi-circle pipe section and a second semi-circle pipe section;
s2, cutting to form the first web, the second web, the third web and the fourth web;
s3, welding the first semicircular pipe section, the second semicircular pipe section, the first web plate and the second web plate to form the variable cross-section part;
s4, welding the third semicircular pipe section, the fourth semicircular pipe section, the third web plate and the fourth web plate to form the equal cross-section part;
s5, welding the variable cross-section part and the constant cross-section part to form the support column;
s6, cutting to form the external stiffening plate and the internal stiffening plate, welding the external stiffening plate to the peripheral surface of the supporting part and the anchoring base, and welding the internal stiffening plate to the inside of the supporting part;
s7, fixing the anchoring ribs on the lower surface of the anchoring base to form the pile feet;
and S8, correspondingly arranging the pier column and the pile foot on the upper part and the lower part of the bearing platform respectively. .
The technical scheme of the invention has the beneficial effects that:
the bridge structure can be assembled and welded in a field section, is convenient to transport, and has high construction efficiency; and the structure is light, firm and reliable, and the manufacturing cost is low.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a block diagram of a bicycle specific bridge pier structure in accordance with an embodiment of the present invention;
FIG. 2 is an overall block diagram of a pier stud in accordance with the first embodiment of the present invention;
FIG. 3 is an exploded view of the structure of a pier stud in accordance with the first embodiment of the present invention;
FIG. 4 is a block diagram of a first half-round pipe section, a first web, a second half-round pipe section, a second web in accordance with a first embodiment of the present invention;
FIG. 5a is a block diagram of a spud leg in accordance with a first embodiment of the invention;
FIG. 5b is a top view of the construction of the spud leg in accordance with the first embodiment of the invention;
FIG. 6 is a schematic diagram of the assembly of straight line segments in a second embodiment of the present invention;
FIG. 7 is a block diagram of an internal stiffener in a second embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Embodiment one:
as shown in fig. 1, the bridge pier structure special for bicycles of the present invention comprises a bearing platform 100, a pier 200 for bearing a steel box girder P, and at least one pile foot 300, wherein the pier 200 is disposed at the upper portion of the bearing platform 100, and the pile foot 300 is disposed at the lower portion of the bearing platform 100.
Specifically, as shown in fig. 2, the pier stud 100 includes: a variable cross-section portion 101 and a constant cross-section portion 102 connected to the bottom of the variable cross-section portion 101; in this embodiment, the cross sections 102 of the variable cross section portion 101 and the constant cross section portion are elliptical, and each cross section of the variable cross section portion 101 has the same shape, and meanwhile, the cross section area of the variable cross section portion 101 gradually decreases from top to bottom, so as to form a structure with a large top and a small bottom, thereby increasing the contact area with the pier column 100 structure (such as the steel box girder P) and increasing the bearing capacity.
Further, as shown in fig. 3, the variable cross-section portion 101 includes: a first semicircular tube segment 1011, a first web 1012, a second semicircular tube segment 1013, and a second web 1014; the first semicircular tube section 1011, the first web 1012, the second semicircular tube section 1013, and the second web 1014 are sequentially connected (e.g., welded, etc.) to enclose the variable cross-section portion 101; and the upper portions of the first semicircle pipe section 1011 and the second semicircle pipe section 1013 are both bent outward. Correspondingly, the constant section 102 includes: a third semicircle segment 1021 at the bottom of the first semicircle segment, a third web 1022 at the bottom of the first web, a fourth semicircle segment 1023 at the bottom of the second semicircle segment, and a fourth web 1024 at the bottom of the second web.
As shown in fig. 4, the first semicircular tube section 1011 and the second semicircular tube section 1013 each include a plurality of straight line sections sequentially connected from top to bottom, in this embodiment, 4 straight line sections are L1-L4, the connection portion of each straight line section is given an intersecting line, and each straight line section, the first web 1012, and the second web 1014 each have a reserved trimming allowance (the allowance is 8-12mm, preferably 10 mm).
As shown in fig. 5a-5b, the spud leg 300 comprises: an anchor base 301 and a support 302 (which may be a cylindrical steel structure) provided on the anchor base 301. Specifically, a plurality of external stiffening plates 303 are disposed around the outer peripheral surface of the supporting portion 302, and internal stiffening plates 304 disposed in a crossing manner are disposed inside the supporting portion 302. Further, in order to enhance the structural strength, the lower surface of the anchoring base 301 is provided with a plurality of anchoring ribs 305, and preferably, the anchoring ribs 305 may form a plurality of concentric circles, thereby making the stress uniform.
Embodiment two:
the embodiment also provides a construction method of the bridge pier column structure special for the bicycle, which comprises the following steps:
s1, a straight slit pipe is cut into two semicircles in half, a plurality of straight line sections (each straight line section is a semicircle pipe, the length of each semicircle pipe is a straight line section), a third semicircle pipe section and a fourth semicircle pipe section are obtained, the cut semicircles are sprung out due to the action of stress in materials in the rolling process, the diameters of the cut semicircles become large or are out of round, flame correction treatment is needed, and the out-of-roundness of pipe joints is controlled within the range required by manufacturing rules; the trimming allowance (the allowance is 8-12mm, preferably 10 mm) is reserved when the first semicircular pipe section and the second semicircular pipe section are fed; assembling a plurality of straight line segments on the jig frame (as shown in figure 6), giving intersecting line coordinates at the joint part, and performing positioning welding after the alignment is finished so as to form a first semicircular pipe segment and a second semicircular pipe segment; during welding, CO is adopted 2 The gas shielded welding is completed, linear retesting is required to be carried out on the first semicircular pipe section and the second semicircular pipe section after welding, the outer sides of butt welding seams are required to be ground flat, so that the quality of the appearance is ensured, and flame correction is carried out if retesting is not qualified; finally, carrying out nondestructive testing on the welded first semicircular pipe section and the welded second semicircular pipe section, and standing by after passing; in addition, the welding grooves of the first semicircular pipe section and the second semicircular pipe section are single-sided double-sided V-shaped grooves, and the welding grooves can be polished according to the requirements of manufacturing rules after being cut by a cutter so as to achieve the purpose of evaluating the given groove angle and the blunt edge size by a welding process;
s2, cutting to form the first web, the second web, the third web and the fourth web; likewise, the top of the first web and the second web are provided with a reserved trimming allowance (the allowance is 8-12mm, preferably 10 mm); similarly, each web welding groove is a single-sided double-sided V-shaped groove, and the welding groove can be polished according to the requirements of manufacturing rules after being cut by a cutter so as to achieve the purpose of evaluating the given groove angle and the blunt edge size by a welding process;
s3, welding the first semicircular pipe section, the second semicircular pipe section, the first web plate and the second web plate to form the variable cross-section part;
s4, welding the third semicircular pipe section, the fourth semicircular pipe section, the third web plate and the fourth web plate to form the equal cross-section part;
s5, horizontally splicing the variable cross section and the constant cross section on a platform, and carrying out full-section butt joint, wherein the assembled variable cross section and constant cross section should check the sizes of all parts, especially the middle diagonal difference; performing positioning welding after each size is checked to be qualified; CO is adopted in welding operation 2 Welding between the variable cross section and the constant cross section by gas shielded welding; rechecking the size of each part after welding, correcting the deformed part, and carrying out nondestructive detection;
s6, cutting to form the external stiffening plate and the internal stiffening plate; the internal stiffening plates are fed with a given tolerance of-6 to-4 mm (shown in figure 7), and are welded into a whole and welded into the supporting part;
when the external stiffening plate is welded, dividing a bisector and a rib plate position line of the external stiffening plate on the outer peripheral surface of the supporting part, and then assembling and positioning welding the external stiffening plate, so that the external stiffening plate is welded on the outer peripheral surface of the supporting part and the anchoring base;
after the positioning welding of the external stiffening plate is complete, checking the bottom plane, if the external stiffening plate is not in the same plane, the external stiffening plate must be reinstalled, and if the external stiffening plate is not vertical, the external stiffening plate must be ground or machined;
s7, fixing the anchoring ribs on the lower surface of the anchoring base to form the pile feet;
and S8, correspondingly arranging the pier column and the pile foot on the upper part and the lower part of the bearing platform respectively.
It should be noted that the technical features of the first and second embodiments may be combined arbitrarily, and the combined technical solutions all belong to the protection scope of the present invention.
In summary, the bridge pier column structure special for the bicycle and the construction method thereof can be assembled and welded in sections on site, are convenient to transport and have high construction efficiency; and the structure is light, firm and reliable by adopting a multi-point welding process.
Claims (1)
1. The utility model provides a construction method of special bridge pier column structure of bicycle, its characterized in that, special bridge pier column structure of bicycle includes cushion cap, pier column and spud leg, the pier column sets up cushion cap upper portion, the spud leg sets up the cushion cap lower part, its characterized in that, the pier column includes: the variable cross-section part and the constant cross-section part are connected with the bottom of the variable cross-section part, the shape of each cross section of the variable cross-section part is the same, the cross sections of the variable cross-section part and the constant cross-section part are elliptical, and the cross-section area of the variable cross-section part is gradually reduced from top to bottom;
the variable cross-section portion includes: a first semicircular tube segment, a first web, a second semicircular tube segment, and a second web; the first semicircular pipe section, the first web plate, the second semicircular pipe section and the second web plate are sequentially connected to enclose the variable cross-section part; the upper parts of the first semicircular pipe section and the second semicircular pipe section are outwards bent;
the first semicircular pipe section and the second semicircular pipe section comprise a plurality of straight line sections which are sequentially connected from top to bottom;
the constant section portion includes: a third semicircular tube section positioned at the bottom of the first semicircular tube section, a third web plate positioned at the bottom of the first web plate, a fourth semicircular tube section positioned at the bottom of the second semicircular tube section and a fourth web plate positioned at the bottom of the second web plate;
the first semicircular pipe section and the second semicircular pipe section are formed by assembling a plurality of straight line sections obtained by half-cutting a straight slit pipe, and then sequentially carrying out butt joint part setting intersecting line coordinates and positioning welding on the plurality of straight line sections;
the first web plate, the second web plate, the third web plate and the fourth web plate are formed by cutting straight-slit pipes;
the third semicircular pipe section and the fourth semicircular pipe section are obtained by cutting straight slit pipes in half;
the variable cross section part is formed by welding the first semicircular pipe section, the second semicircular pipe section, the first web plate and the second web plate;
the equal section part is formed by welding the third semicircular pipe section, the fourth semicircular pipe section, the third web plate and the fourth web plate;
the pier column is formed by horizontally splicing the variable cross section part and the constant cross section part and butting the full cross section part
Positioning and welding;
the pile leg comprises an anchoring base and a supporting part arranged on the anchoring base, a plurality of external stiffening plates are arranged around the peripheral surface of the supporting part, internal stiffening plates which are arranged in a crossing manner are arranged in the supporting part, and the internal stiffening plates are welded into an integral structure;
the lower surface of the anchoring base is provided with a plurality of anchoring ribs which form a plurality of
A concentric circle structure;
the construction method comprises the following steps:
s1, cutting a straight-seam pipe into two semi-circles in a half-and-half way to obtain a plurality of straight-line sections, a third semi-circle pipe section and a fourth semi-circle pipe section, and assembling and welding the plurality of straight-line sections to form a first semi-circle pipe section and a second semi-circle pipe section;
s2, cutting to form the first web, the second web, the third web and the fourth web;
s3, welding the first semicircular pipe section, the second semicircular pipe section, the first web plate and the second web plate to form the variable cross-section part;
s4, welding the third semicircular pipe section, the fourth semicircular pipe section, the third web plate and the fourth web plate to form the equal cross-section part;
s5, welding the variable cross-section part and the constant cross-section part to form the pier stud;
s6, cutting to form the external stiffening plate and the internal stiffening plate, welding the external stiffening plate to the peripheral surface of the supporting part and the anchoring base, welding the internal stiffening plate into an integral structure, and then welding the internal stiffening plate to the inside of the supporting part;
s7, fixing the anchoring ribs on the lower surface of the anchoring base, wherein the anchoring ribs form a plurality of concentric circle structures to form the pile feet;
and S8, correspondingly arranging the pier column and the pile foot on the upper part and the lower part of the bearing platform respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711377497.9A CN108035243B (en) | 2017-12-19 | 2017-12-19 | Bridge pier column structure special for bicycle and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711377497.9A CN108035243B (en) | 2017-12-19 | 2017-12-19 | Bridge pier column structure special for bicycle and construction method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108035243A CN108035243A (en) | 2018-05-15 |
| CN108035243B true CN108035243B (en) | 2024-02-06 |
Family
ID=62100059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711377497.9A Active CN108035243B (en) | 2017-12-19 | 2017-12-19 | Bridge pier column structure special for bicycle and construction method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108035243B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000136596A (en) * | 1998-10-30 | 2000-05-16 | Mitsubishi Alum Co Ltd | Hollow member |
| CN201391090Y (en) * | 2009-04-30 | 2010-01-27 | 中国水电建设集团路桥工程有限公司 | Reinforcement assembling mold for pier columns |
| CN102400518A (en) * | 2011-11-18 | 2012-04-04 | 江苏沪宁钢机股份有限公司 | Section-variable crossed circular tube switching steel column and manufacturing method thereof |
| CN103374881A (en) * | 2012-04-24 | 2013-10-30 | 上海市政工程设计研究总院（集团）有限公司 | Prefabricated segment assembling pier structure system and construction method thereof |
| CN204849571U (en) * | 2015-08-12 | 2015-12-09 | 江苏建筑职业技术学院 | Prefabricated assembly pier of posttension prestressing force tongue -and -groove plug -in type |
| CN106592417A (en) * | 2016-10-28 | 2017-04-26 | 上海市政工程设计研究总院（集团）有限公司 | Variable section upright and construction method thereof |
| CN206189253U (en) * | 2016-10-28 | 2017-05-24 | 上海市政工程设计研究总院（集团）有限公司 | Variable cross -section column |
| CN107326793A (en) * | 2017-05-23 | 2017-11-07 | 中建钢构有限公司 | A kind of bicycle is at a high speed across overpass and its construction method |
| CN207919322U (en) * | 2017-12-19 | 2018-09-28 | 中交三航（厦门）工程有限公司 | Bicycle occupation bridge pillarwork |
-
2017
- 2017-12-19 CN CN201711377497.9A patent/CN108035243B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000136596A (en) * | 1998-10-30 | 2000-05-16 | Mitsubishi Alum Co Ltd | Hollow member |
| CN201391090Y (en) * | 2009-04-30 | 2010-01-27 | 中国水电建设集团路桥工程有限公司 | Reinforcement assembling mold for pier columns |
| CN102400518A (en) * | 2011-11-18 | 2012-04-04 | 江苏沪宁钢机股份有限公司 | Section-variable crossed circular tube switching steel column and manufacturing method thereof |
| CN103374881A (en) * | 2012-04-24 | 2013-10-30 | 上海市政工程设计研究总院（集团）有限公司 | Prefabricated segment assembling pier structure system and construction method thereof |
| CN204849571U (en) * | 2015-08-12 | 2015-12-09 | 江苏建筑职业技术学院 | Prefabricated assembly pier of posttension prestressing force tongue -and -groove plug -in type |
| CN106592417A (en) * | 2016-10-28 | 2017-04-26 | 上海市政工程设计研究总院（集团）有限公司 | Variable section upright and construction method thereof |
| CN206189253U (en) * | 2016-10-28 | 2017-05-24 | 上海市政工程设计研究总院（集团）有限公司 | Variable cross -section column |
| CN107326793A (en) * | 2017-05-23 | 2017-11-07 | 中建钢构有限公司 | A kind of bicycle is at a high speed across overpass and its construction method |
| CN207919322U (en) * | 2017-12-19 | 2018-09-28 | 中交三航（厦门）工程有限公司 | Bicycle occupation bridge pillarwork |
Also Published As
| Publication number | Publication date |
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| CN108035243A (en) | 2018-05-15 |
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Address after: 11th Floor, No. 189 Huachang Road, Huli District, Xiamen City, Fujian Province, 361011 Applicant after: CCCC Third Aviation Bureau Sixth Engineering (Xiamen) Co.,Ltd. Applicant after: XIAMEN MUNICIPAL CONSTRUCTION DEVELOPMENT CO.,LTD. Address before: 361000 No. 189, Huachang Road, Huli District, Xiamen City, Fujian Province Applicant before: CCCC Sanya (Xiamen) Engineering Co.,Ltd. Applicant before: XIAMEN MUNICIPAL CONSTRUCTION DEVELOPMENT CO.,LTD. |
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