CN105625187A - Method for constructing concrete for large-section inclined column - Google Patents
Method for constructing concrete for large-section inclined column Download PDFInfo
- Publication number
- CN105625187A CN105625187A CN201511027414.4A CN201511027414A CN105625187A CN 105625187 A CN105625187 A CN 105625187A CN 201511027414 A CN201511027414 A CN 201511027414A CN 105625187 A CN105625187 A CN 105625187A
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- CN
- China
- Prior art keywords
- batter post
- concrete
- post
- inclined column
- rubber pipe
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- 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.)
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Classifications
-
- 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
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/34—Columns; Pillars; Struts of concrete other stone-like material, with or without permanent form elements, with or without internal or external reinforcement, e.g. metal coverings
-
- 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
- E01D2101/00—Material constitution of bridges
- E01D2101/20—Concrete, stone or stone-like material
- E01D2101/24—Concrete
- E01D2101/26—Concrete reinforced
-
- 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
- E01D2101/20—Concrete, stone or stone-like material
- E01D2101/24—Concrete
- E01D2101/26—Concrete reinforced
- E01D2101/28—Concrete reinforced prestressed
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention discloses a method for constructing concrete for a large-section inclined column. The method comprises the steps that firstly, positions of reinforcing steel bars below an inclined column joint are adjusted, inclined column stirrups below the joint are bound, inclined column main ribs are pulled up in the reverse direction of a column bottom mold, and reinforcing steel bars and column stirrups above a mechanical connection joint are bound; and secondly, before the concrete is cast, a hard rubber pipe is inserted in an inclined column, a groove is formed in the surface of the rubber pipe, a vibration tamping rod is placed into the groove, the rubber pipe is raised along with raising of the vibration tamping rod, the vibration tamping rod is kept in the rubber pipe all the time, meanwhile, the rubber pipe serves as a tumbling barrel, and pedestal base mortar and bottom concrete are conveyed downwards. The method for constructing the concrete for the large-section inclined column solves following difficulties that mortar in a mixture is likely to be hooked on the stirrups, and the concrete at the bottom of the inclined column lacks the mortar; and inclination of the inclined column is large, the reinforcing steel bars are dense, the vibration tamping rod is difficultly conveyed to the bottom of the inclined column, and in the lifting column, the vibration tamping rod is likely to be clamped by the stirrups.
Description
Technical field
The present invention relates to a kind of concrete construction process, particularly relate to a kind of concrete constructional method for large section batter post.
Background technology
Since entering this century, large section concrete batter post structure system develops rapidly in road and bridge construction, becomes and uses more structural system in road and bridge construction. Large section concrete batter post structure system, is the main muscle configuration stirrup of batter post, makes the main muscle of batter post, stirrup become to be integrated cooperative unitized construction component with concrete after casting concrete.
At present, large section concrete batter post structure system, construction enterprise is all that the technical force according to self organizes and implements, and does not form ripe constructional method. Execute-in-place personnel generally by technician's drawing up a plan of the on-the-spot project management of construction enterprise, are told somebody what one's real intentions are by large section concrete batter post structure system after examining approval process, organizing construction. Generally to the form of construction work of large section concrete batter post structure system, adopt conventional constructional method to circulate, complete the construction of large section concrete batter post structure. Existing construction organization mode determines force way and the Path of Force Transfer of construction, but owing to the arrangement of construction organization mode is usually unreasonable, when after construction to certain height, original casting method cannot meet safe requirement, often needing to do over again, while causing the duration to lose, the risk of security control also increases thereupon, propose new requirement to site safety management, it is unfavorable for the construction of large section concrete batter post structure system.
The steel structure member of large section concrete Y shape pillar mainly comprises taper pile shuttering, batter post support system, it is complicated that batter post support system installs assembling construction, in addition, Y shape pillar weight is big, member section is huge, it is art and irregular building, no matter it is the design requirements understanding building designers, or subsequent construction difficulty is all very high. In a word, Y type spatial modelling installs positioning accuracy request height, bending component difficulty of processing is big, comprises both at home and abroad at present and is all only limitted to make the similar small-sized Y shape posts such as overhead such as Japan, Mei Deng developed country, and traditional manufacture craft can not break through the construction Difficulties making large-scale Y shape pillar.
The construction existed for concrete batter post structure system in large section in existing operating technique is complicated, the difficulty of shaping complexity, operate the problems such as lack of standardization, and the present invention provides a kind of a kind of concrete constructional method for large section batter post being different from prior art.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of concrete constructional method for large section batter post, and easy construction, construction effect are good.
The present invention solves the problems of the technologies described above the technical scheme adopted to be to provide a kind of concrete constructional method for large section batter post, wherein:
The first step, adjusts the position of the following reinforcing bar of batter post joint, ties up the following batter post stirrup of joint, and by main for batter post muscle to post bed die opposite direction pull-up, binding machinery connects the above reinforcing bar of joint and column tie-bar;
2nd step, at batter post interpolation rigid rubber pipe before casting concrete, and opens a groove on sebific duct surface, vibrating spear is placed in groove, with lifting vibrating spear with lifting sebific duct, keeps vibrating spear all the time in sebific duct, sebific duct is as string cylinder simultaneously, downwards conveying seat bed load slurry and bottom concrete;
In the first step, specifically comprise following operation:
Line position setting-out: planar line position, the space line position of drawing batter post are carried out setting-out by CAD;
Planar line position: horizontal upper thread position size carries out CAD setting-out according to post inclination angle and draws actual planar dimension;
Space line position: each for batter post key point is carried out setting-out in CAD, measures the horizontal throw of each point and respective axis;
The built-in I-shaped strength reinforcing bar of described batter post and prestress corrugated tube, strength reinforcing bar is positioned at batter post center, and prestress corrugated tube is several, and strength reinforcing bar is divided into multistage to be welded, and prestress corrugated tube is divided into multistage to be formed by connecting.
Above-mentioned a kind of concrete constructional method for large section batter post, wherein, 70 vibrating spears selecting steam circle big, first insert vibrating spear and sebific duct in batter post before casting concrete, with casting concrete with lifting vibrating spear and sebific duct.
Above-mentioned a kind of concrete constructional method for large section batter post, wherein, the diameter of rigid rubber pipe is 150mm, and the width of offering of groove is 100mm.
Above-mentioned a kind of concrete constructional method for large section batter post, wherein, as opening the hole that diameter is 100MM on the rigid rubber pipe of thrust-augmenting nozzle, is convenient to vibrating spear and is sown into, there is not grouting.
Above-mentioned a kind of concrete constructional method for large section batter post, wherein, before the 2nd step carries out, first carries out batter post support system installation, is specifically operating as:
(1) setting up full hall scaffold outside structure, arrange scissors support every row's vertical rod, under batter post, vertical rod supports totally four row, each row in batter post both sides place, two row under batter post;
(2) in every root batter post both sides along batter post direction vertical rod encryption, support as batter post, it is linked to be entirety with horizontal bar and full hall scaffold;
(3) in vertical rod, little cross bar is fixed according to batter post slope and bottom surface template hypotenuse angle;
(4), after little cross bar is installed, messenger wire checks line pendant and inclined column foundation sideline distance;
(5) making diagonal brace with scaffold tubes in batter post side, diagonal brace is fixed on overall outer frame, and adds strut support along batter post direction under batter post, and batter post entirety tilts 10mm to the inside, due to the integral sinking of concrete deadweight generation during to offset casting concrete.
The present invention has following useful effect relative to prior art:
Solve the following difficult point that prior art construction exists:
1) batter post stirrup is closeer, is an inclined-plane in batter post bottom surface, and concrete is in downward course of conveying, and the mortar in mixture is easily tangled by stirrup, causes concrete bottom batter post to lack mortar. Constructing according to this constructional method, the mortar in mixture easily can not be tangled by stirrup, and bottom batter post, concrete can not lack mortar.
2) batter post gradient is relatively big, and reinforcing bar is closeer, and vibrating spear is difficult to be delivered to bottom batter post, and in lifting process, vibrating spear is easily blocked by stirrup, and does not have again the chance of plunger. Constructing according to this constructional method, vibrating spear can not be blocked by stirrup, and can change at any time.
Accompanying drawing explanation
Fig. 1 is the structural representation of large section concrete batter post.
Fig. 2 is the schematic diagram that stirrup, reinforcing bar are built.
In figure:
1 stirrup 2 reinforcing bar 3 taper pile shuttering
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
A kind of concrete constructional method working procedure for large section batter post provided by the invention is:
The first step, adjusts the position of the following reinforcing bar 2 of batter post joint, ties up the following batter post stirrup 1 of joint, and by main for batter post muscle to post bed die opposite direction pull-up, binding machinery connects the above reinforcing bar 2 of joint and column tie-bar;
In the first step, put a process and specifically comprise following operation:
Line position setting-out: planar line position, the space line position of drawing batter post are carried out setting-out by CAD;
Planar line position: horizontal upper thread position size carries out CAD setting-out according to post inclination angle and draws actual planar dimension;
Space line position: each for batter post key point is carried out setting-out in CAD, measures the horizontal throw of each point and respective axis;
The built-in I-shaped strength reinforcing bar of described batter post and prestress corrugated tube, strength reinforcing bar is positioned at batter post center, and prestress corrugated tube is several, and strength reinforcing bar is divided into multistage to be welded, and prestress corrugated tube is divided into multistage to be formed by connecting.
2nd step, carries out batter post support system installation, is specifically operating as:
(1) setting up full hall scaffold outside structure, arrange scissors support every row's vertical rod, under batter post, vertical rod supports totally four row, each row in batter post both sides place, two row under batter post;
(2) in every root batter post both sides along batter post direction vertical rod encryption, support as batter post, it is linked to be entirety with horizontal bar and full hall scaffold;
(3) in vertical rod, little cross bar is fixed according to batter post slope and bottom surface template hypotenuse angle;
(4), after little cross bar is installed, messenger wire checks line pendant and inclined column foundation sideline distance;
(5) making diagonal brace with scaffold tubes in batter post side, diagonal brace is fixed on overall outer frame, and adds strut support along batter post direction under batter post, and batter post entirety tilts 10mm to the inside, due to the integral sinking of concrete deadweight generation during to offset casting concrete.
3rd step, at batter post interpolation rigid rubber pipe as thrust-augmenting nozzle before casting concrete, and open a groove on sebific duct surface, vibrating spear is placed in groove, with lifting vibrating spear with lifting sebific duct, keeping vibrating spear all the time in sebific duct, sebific duct is as string cylinder simultaneously, downwards conveying seat bed load slurry and bottom concrete.
Wherein, 70 vibrating spears selecting steam circle big, first insert vibrating spear and sebific duct in batter post before casting concrete, and with casting concrete with lifting vibrating spear and sebific duct, the diameter of rigid rubber pipe is 150mm, and the width of offering of groove is 100mm.
As shown in Figure 2, the rigid rubber pipe of water conservancy diversion tiltedly inserts between main muscle, and opens the hole of a 100MM on the diameter thrust-augmenting nozzle of 150MM, is convenient to vibrating spear and is sown into, there is not grouting.
Because batter post stirrup is closeer, being an inclined-plane in batter post bottom surface, concrete is in downward course of conveying, and the mortar in mixture is easily tangled by stirrup 2, causes concrete bottom batter post to lack mortar. Construct according to this constructional method, by at batter post interpolation rigid rubber pipe, and open a groove on sebific duct surface, with lifting vibrating spear with lifting sebific duct, keeping vibrating spear all the time in sebific duct, sebific duct is as string cylinder simultaneously, downwards conveying seat bed load slurry and bottom concrete, mortar in mixture easily can not be tangled by stirrup 2, and bottom batter post, concrete can not lack mortar.
In addition, batter post gradient is relatively big, and reinforcing bar 1 is closeer, and the arrangement and method for construction vibrating spear of prior art is difficult to be delivered to bottom batter post, and in lifting process, vibrating spear is easily blocked by stirrup, and does not have again the chance of plunger. Constructing according to this constructional method, vibrating spear can not be blocked by stirrup 1, and can change at any time.
Although the present invention discloses as above with better embodiment; so itself and be not used to limit the present invention, any those skilled in the art, without departing from the spirit and scope of the present invention; when doing a little amendment and perfect, therefore protection scope of the present invention is when with being as the criterion that claim book defines.
Claims (5)
1. the concrete constructional method for large section batter post, it is characterised in that:
The first step, adjusts the position of the following reinforcing bar of batter post joint, ties up the following batter post stirrup of joint, and by main for batter post muscle to post bed die opposite direction pull-up, binding machinery connects the above reinforcing bar of joint and column tie-bar;
2nd step, at batter post interpolation rigid rubber pipe before casting concrete, and opens a groove on sebific duct surface, vibrating spear is placed in groove, with lifting vibrating spear with lifting sebific duct, keeps vibrating spear all the time in sebific duct, sebific duct is as string cylinder simultaneously, downwards conveying seat bed load slurry and bottom concrete;
In the first step, specifically comprise following operation:
Line position setting-out: planar line position, the space line position of drawing batter post are carried out setting-out by CAD;
Planar line position: horizontal upper thread position size carries out CAD setting-out according to post inclination angle and draws actual planar dimension;
Space line position: each for batter post key point is carried out setting-out in CAD, measures the horizontal throw of each point and respective axis;
The built-in I-shaped strength reinforcing bar of described batter post and prestress corrugated tube, strength reinforcing bar is positioned at batter post center, and prestress corrugated tube is several, and strength reinforcing bar is divided into multistage to be welded, and prestress corrugated tube is divided into multistage to be formed by connecting.
2. a kind of concrete constructional method for large section batter post as claimed in claim 1, it is characterized in that: 70 vibrating spears selecting steam circle big, before casting concrete, vibrating spear and sebific duct are first inserted in batter post, with casting concrete with lifting vibrating spear and sebific duct.
3. a kind of concrete constructional method for large section batter post as claimed in claim 1, it is characterised in that: before the 2nd step carries out, first carry out batter post support system installation, specifically it is operating as:
(1) setting up full hall scaffold outside structure, arrange scissors support every row's vertical rod, under batter post, vertical rod supports totally four row, each row in batter post both sides place, two row under batter post;
(2) in every root batter post both sides along batter post direction vertical rod encryption, support as batter post, it is linked to be entirety with horizontal bar and full hall scaffold;
(3) in vertical rod, little cross bar is fixed according to batter post slope and bottom surface template hypotenuse angle;
(4), after little cross bar is installed, messenger wire checks line pendant and inclined column foundation sideline distance;
(5) making diagonal brace with scaffold tubes in batter post side, diagonal brace is fixed on overall outer frame, and adds strut support along batter post direction under batter post, and batter post entirety tilts 10mm to the inside, due to the integral sinking of concrete deadweight generation during to offset casting concrete.
4. a kind of concrete constructional method for large section batter post as claimed in claim 2, it is characterised in that: the diameter of rigid rubber pipe is 150mm, and the width of offering of groove is 100mm.
5. a kind of concrete constructional method for large section batter post as claimed in claim 4, it is characterised in that: as the rigid rubber pipe of thrust-augmenting nozzle is opened the hole that diameter is 100MM, it is convenient to vibrating spear and it is sown into, there is not grouting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511027414.4A CN105625187A (en) | 2015-12-31 | 2015-12-31 | Method for constructing concrete for large-section inclined column |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511027414.4A CN105625187A (en) | 2015-12-31 | 2015-12-31 | Method for constructing concrete for large-section inclined column |
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| CN105625187A true CN105625187A (en) | 2016-06-01 |
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| CN201511027414.4A Pending CN105625187A (en) | 2015-12-31 | 2015-12-31 | Method for constructing concrete for large-section inclined column |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110565944A (en) * | 2019-09-06 | 2019-12-13 | 重庆建工第三建设有限责任公司 | Inclined structure wall construction method |
| CN110778108A (en) * | 2019-10-30 | 2020-02-11 | 中国建筑第八工程局有限公司 | Construction method of complex space multi-curved surface double-layer oblique crossing concrete grid structure |
| CN111335546A (en) * | 2020-03-11 | 2020-06-26 | 中国建筑第八工程局有限公司 | Construction method for binding special-shaped variable-section cylindrical steel bars |
| CN111424883A (en) * | 2020-05-08 | 2020-07-17 | 中国建筑第八工程局有限公司 | Prestressed cast-in-place clear water concrete inclined column structure and construction method thereof |
| CN112411882A (en) * | 2020-11-27 | 2021-02-26 | 上海宝冶集团有限公司 | Method for building ultrahigh and oversized space inclined cylindrical column |
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2015
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| JP2009275390A (en) * | 2008-05-14 | 2009-11-26 | Okabe Co Ltd | Base plate for column base, and column base structure using the same |
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| EP2615226A1 (en) * | 2010-09-09 | 2013-07-17 | JFE Steel Corporation | Steel pipe column structure and method for producing same |
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Non-Patent Citations (1)
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110565944A (en) * | 2019-09-06 | 2019-12-13 | 重庆建工第三建设有限责任公司 | Inclined structure wall construction method |
| CN110778108A (en) * | 2019-10-30 | 2020-02-11 | 中国建筑第八工程局有限公司 | Construction method of complex space multi-curved surface double-layer oblique crossing concrete grid structure |
| CN111335546A (en) * | 2020-03-11 | 2020-06-26 | 中国建筑第八工程局有限公司 | Construction method for binding special-shaped variable-section cylindrical steel bars |
| CN111335546B (en) * | 2020-03-11 | 2021-06-11 | 中国建筑第八工程局有限公司 | Construction method for binding special-shaped variable-section cylindrical steel bars |
| CN111424883A (en) * | 2020-05-08 | 2020-07-17 | 中国建筑第八工程局有限公司 | Prestressed cast-in-place clear water concrete inclined column structure and construction method thereof |
| CN112411882A (en) * | 2020-11-27 | 2021-02-26 | 上海宝冶集团有限公司 | Method for building ultrahigh and oversized space inclined cylindrical column |
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Application publication date: 20160601 |