CN100535270C - Irregular steel tube concrete pole with steel bar reinforcement - Google Patents
Irregular steel tube concrete pole with steel bar reinforcement Download PDFInfo
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- CN100535270C CN100535270C CNB2006101511993A CN200610151199A CN100535270C CN 100535270 C CN100535270 C CN 100535270C CN B2006101511993 A CNB2006101511993 A CN B2006101511993A CN 200610151199 A CN200610151199 A CN 200610151199A CN 100535270 C CN100535270 C CN 100535270C
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Abstract
A reinforcing bar ribbed shaped steel pipe-concrete column with high earthquake-proof and load-bearing performance and low steel consumption is composed of a shaped steel pipe, several reinforcing bars welded longitudinally onto the inner surface of said shaped steel pipe to form reinforcing ribs, and the concrete cast in said shaped steel pipe.
Description
Technical field
The present invention relates to a kind of special-shaped steel pipe concrete post.
Background technology
Odd-shaped cross section post post limb thickness and infilled wall be with thick, can avoid indoor occur post stupefied, be convenient to indoor layout, increase usable floor area, in rising trend in the application percentage of dwelling house and office building.Traditional hetermorphiscal column adopts steel concrete more, expose some problems in popularization and practical engineering application: the directionality to horizontal loading is very responsive, be the load action direction its bearing capacity difference is not bigger simultaneously, bearing capacity is lower, the strength of materials fails to make full use of; For guaranteeing the requirement of pillar ductility, need join a large amount of stirrups and strict restrictive axes pressure ratio; Cast in situs difficulty, node arrangement of reinforcement are more, concrete pouring quality is difficult to guarantee etc., have limited the promotion and application of hetermorphiscal column.Element bearing capacity improves special-shaped steel pipe concrete, ductility improves because outside steel pipe to concrete effect of contraction, can make, but need take measures to prevent that steel pipe generation cripling and cross section inner corner trim place's steel pipe and concrete break away from.The normal at present method that steel plate stiffening rib or binding bar are set that adopts, but there are shortcomings such as steel using amount is big, processing and fabricating cost height in the special-shaped steel pipe concrete post of band steel plate stiffening rib, and belt restraining pull bar special-shaped steel pipe concrete post exists binding bar cost height, a large amount of perforates of chapped pipe, concreting easily to run shortcomings such as slurry, construction complexity, and engineering is used all seldom.
Summary of the invention
For solve the shaped rc columns poor seismic behavior, bearing capacity is low, construction is complicated and traditional special-shaped steel pipe concrete post complex structure, steel using amount is big, cost is high problem, the invention provides the special-shaped steel pipe concrete post that a kind of reinforcing bar is put more energy into.
The present invention includes chapped pipe, reinforcing bar stiffening rib and concrete filled, the steel pipe of filling with concrete filled is a chapped pipe, be welded with the reinforcing bar stiffening rib at the inwall of chapped pipe along the axis direction of chapped pipe, described reinforcing bar stiffening rib is square, triangle or the trapezoidal zigzag reinforcing bar stiffening rib that is processed into by the reinforcing bar clod wash.
The present invention is that a kind of simple structure, easy construction, cost are low, can prevent effectively that steel pipe generation cripling and cross section inner corner trim place's steel pipe and concrete filled break away from, strengthen the construction measure of steel pipe and concrete collaborative work, thereby obtain a kind of bearing capacity height, ductility is good, anti-seismic performance is superior, the novel special-shaped steel pipe concrete post of easy construction, good economy performance.
The special-shaped steel pipe concrete post that the reinforcing bar that the present invention proposes is put more energy into has following advantage:
1, post limb thickness and infilled wall be with thick, can avoid indoor occur post stupefied, be convenient to indoor layout, increase usable floor area.
2, shortcomings such as shaped rc columns ductility is poor, limit value of axial compression ratio is little, arrangement of reinforcement is many, concreting is difficult, construction complexity have been overcome, but chapped pipe double as concrete blinding and construction skeleton, steel pipe can significantly improve the bearing capacity of pillar and improve its ductility concrete operative constraint effect.
3, overcome belt restraining pull bar special-shaped steel pipe concrete post binding bar cost height, a large amount of perforates of chapped pipe, concreting and easily run shortcomings such as slurry, construction complexity, strengthened the collaborative work between steel pipe and concrete simultaneously, its ductility is further improved.
4, shortcomings such as the special-shaped steel pipe concrete post steel using amount of being with the steel plate stiffening rib is big, processing and fabricating cost height have been overcome.
Description of drawings
Fig. 1 is the structural representation of reinforcing bar stiffening rib 2, Fig. 2 is the structural representation of the specific embodiment two, Fig. 3 is the structural representation that is provided with the steel pipe of reinforcing bar stiffening rib, Fig. 4 is the structural representation of the specific embodiment three, Fig. 5 is the structural representation of the specific embodiment four, Fig. 6 is the structural representation of the specific embodiment five, Fig. 7 is the concrete structural representation of having built of the specific embodiment five, Fig. 8 is an overall structure schematic diagram of the present invention, and Fig. 9 is the overall structure schematic diagram that sockets reinforcing bar that is provided with of the present invention.
The specific embodiment
The specific embodiment one: specify present embodiment below in conjunction with Fig. 8 and Fig. 9, present embodiment is by chapped pipe 1, reinforcing bar stiffening rib 2 and concrete filled 4, the steel pipe of filling with concrete filled 4 is a chapped pipe 1, is welded with reinforcing bar stiffening rib 2 at the inwall of chapped pipe 1 along the axis direction of chapped pipe 1.It also comprises and sockets reinforcing bar 3, sockets reinforcing bar 3 and is arranged between the reinforcing bar stiffening rib 2.When the chapped pipe sectional dimension strengthens, between the inboard reinforcing bar stiffening rib 2 of each face steel plate, set up and socket reinforcing bar 3, with the flakiness ratio of effective reduction steel plate, strengthen the collaborative work of steel pipe and concrete filled 4.Chapped pipe 1 of the present invention can be L shaped, T shape or ten shape steel pipes; The chapped pipe 1 minimum length of side 〉=100mm, wall thickness 〉=2mm; Chapped pipe 1 adopts Q235 steel, Q345 steel, Q390 steel or Q420 steel to make; Ratio≤30 of the length of chapped pipe 1 and smallest cross-sectional width.Reinforcing bar stiffening rib 2 and to socket reinforcing bar 3 can be that HPB235 or the clod wash of HRB335 reinforcing bar of 6～12mm processes by diameter.Reinforcing bar stiffening rib 2 is square, triangle or the trapezoidal zigzag reinforcing bar stiffening ribs that are processed into by the reinforcing bar clod wash.Concrete filled 4 can adopt plain concrete, steel concrete or steel reinforced concrete; Wherein, concrete can be ordinary concrete, light weight aggregate concrete or high performance concrete, and reinforcing bar can be Steel section member or welding compound section steel member.
The specific embodiment two: specify present embodiment below in conjunction with Fig. 1 and Fig. 2 and Fig. 3, present embodiment is determined rational reinforcing bar kind and diameter according to parameters such as chapped pipe cross sectional shape, steel plate wall thickness, utilize the single or double fillet weld to be welded on along chapped pipe 1 axis on the steel plate inwall of chapped pipe 1 reinforcing bar stiffening rib 2, the length of reinforcing bar stiffening rib 2 and chapped pipe 1 are isometric; Chapped pipe 1 inner corner trim place must be provided with reinforcing bar stiffening rib 2, and its steel plate inboard, opposite also is provided with reinforcing bar stiffening rib 2, and other composition and annexation are with the specific embodiment one.
The specific embodiment three: specify present embodiment below in conjunction with Fig. 4, the steel plate of chapped pipe 1 is generous big in the present embodiment, set up reinforcing bar stiffening rib 2 in each face steel plate inboard, to reduce the flakiness ratio of steel plate, strengthen the collaborative work of steel pipe and concrete filled 4, other composition and annexation are with the specific embodiment one.
The specific embodiment four: specify present embodiment below in conjunction with Fig. 5, the metal sheet pile limb of chapped pipe 1 is long in the present embodiment, set up reinforcing bar stiffening rib 2 in each face steel plate inboard, to reduce the flakiness ratio of steel plate, strengthen the collaborative work of steel pipe and concrete filled 4, other composition and annexation are with the specific embodiment one.
The specific embodiment five: specify present embodiment below in conjunction with Fig. 6 and Fig. 7, the steel plate spelling that will be welded with the reinforcing bar stiffening rib in the present embodiment is welded into T shape, L shaped or ten tee section chapped pipes 1; Between the reinforcing bar stiffening rib, be provided with and socket reinforcing bar 3; Fill out the special-shaped steel pipe concrete post that plain concrete or steel concrete or steel reinforced concrete promptly form band reinforcing bar stiffening rib 2 in chapped pipe 1, other composition and annexation are with the specific embodiment one or the specific embodiment two or the specific embodiment three or the specific embodiment four.
Reinforcing bar ribbed stiffener one side is anchored in the concrete, and a side is welded on steel pipe inner wall, or by socketing reinforcing bar One group of reinforcing bar ribbed stiffener is linked together, strengthened the interaction between steel pipe and the concrete, can be effective Suppress steel plate generation cripling, steel pipe is strengthened concrete effect of contraction, improved concrete prolonging Property, thus can comparatively fully play the separately advantage of steel and this bi-material of concrete, make novel different The shape steel core concrete column has the bearing capacity height, ductility is good, anti-seismic performance is superior, easy construction, good economy performance Characteristics.
Claims (7)
1, the reinforcing bar special-shaped steel pipe concrete post of putting more energy into, it comprises chapped pipe (1), reinforcing bar stiffening rib (2) and concrete filled (4), the steel pipe of filling with concrete filled (4) is chapped pipe (1), be welded with reinforcing bar stiffening rib (2) at the inwall of chapped pipe (1) along the axis direction of chapped pipe (1), it is characterized in that described reinforcing bar stiffening rib (2) is square, triangle or the trapezoidal zigzag reinforcing bar stiffening rib that is processed into by the reinforcing bar clod wash.
2, the reinforcing bar according to claim 1 special-shaped steel pipe concrete post of putting more energy into is characterized in that it also comprises to socket reinforcing bar (3), sockets reinforcing bar (3) and is arranged between the reinforcing bar stiffening rib (2).
3, the reinforcing bar according to claim 1 special-shaped steel pipe concrete post of putting more energy into is characterized in that described chapped pipe (1) is L shaped steel pipe.
4, the reinforcing bar according to claim 1 special-shaped steel pipe concrete post of putting more energy into is characterized in that described chapped pipe (1) is a teeprofile.
5, the reinforcing bar according to claim 1 special-shaped steel pipe concrete post of putting more energy into is characterized in that described chapped pipe (1) is the cross steel pipe.
6, the special-shaped steel pipe concrete post of putting more energy into according to claim 1,3,4 or 5 described reinforcing bars is characterized in that described chapped pipe (1) adopts Q235 steel, Q345 steel, Q390 steel or Q420 steel to make.
7, the reinforcing bar according to claim 1 and 2 special-shaped steel pipe concrete post of putting more energy into is characterized in that described reinforcing bar stiffening rib (2) and sockets reinforcing bar (3) being processed by HPB235 or the clod wash of HRB335 reinforcing bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101511993A CN100535270C (en) | 2006-12-25 | 2006-12-25 | Irregular steel tube concrete pole with steel bar reinforcement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101511993A CN100535270C (en) | 2006-12-25 | 2006-12-25 | Irregular steel tube concrete pole with steel bar reinforcement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1987014A CN1987014A (en) | 2007-06-27 |
| CN100535270C true CN100535270C (en) | 2009-09-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2006101511993A Active CN100535270C (en) | 2006-12-25 | 2006-12-25 | Irregular steel tube concrete pole with steel bar reinforcement |
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| CN (1) | CN100535270C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103541511B (en) * | 2013-11-06 | 2016-01-06 | 安徽工业大学 | A kind of preparation method of steel pipe concrete profiled pile of built-in PVC-FRP pipe high-strength concrete stem stem |
| CN103541512B (en) * | 2013-11-06 | 2015-12-09 | 安徽工业大学 | A kind of preparation method of FRP pipe concrete hetermorphiscal column of built-in high strength concrete filled steel tube stem stem |
| CN105113717B (en) * | 2015-08-24 | 2017-11-24 | 河海大学 | Interior truss type steel tube concrete L-shaped post and its construction method |
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2006
- 2006-12-25 CN CNB2006101511993A patent/CN100535270C/en active Active
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| Publication number | Publication date |
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| CN1987014A (en) | 2007-06-27 |
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Assignee: Guangdong Haohe Construction Co., Ltd. Assignor: Harbin Institute of Technology Contract record no.: 2010440001338 Denomination of invention: Irregular steel tube concrete pole with steel bar reinforcement Granted publication date: 20090902 License type: Exclusive License Open date: 20070627 Record date: 20100826 |