CN203947797U - Reinforced Concrete Circular Cylinder bracing means - Google Patents
Reinforced Concrete Circular Cylinder bracing means Download PDFInfo
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- CN203947797U CN203947797U CN201420359932.0U CN201420359932U CN203947797U CN 203947797 U CN203947797 U CN 203947797U CN 201420359932 U CN201420359932 U CN 201420359932U CN 203947797 U CN203947797 U CN 203947797U
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- circular cylinder
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- 239000011150 reinforced concrete Substances 0.000 title claims abstract description 49
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 155
- 239000010959 steel Substances 0.000 claims abstract description 155
- 239000000463 material Substances 0.000 claims abstract description 22
- 238000003466 welding Methods 0.000 claims abstract description 17
- 239000011440 grout Substances 0.000 claims abstract description 14
- 244000046052 Phaseolus vulgaris Species 0.000 claims description 8
- 235000010627 Phaseolus vulgaris Nutrition 0.000 claims description 8
- 238000009408 flooring Methods 0.000 claims description 5
- 210000003205 muscle Anatomy 0.000 claims description 5
- 239000004567 concrete Substances 0.000 abstract description 13
- 230000003014 reinforcing effect Effects 0.000 abstract description 10
- 230000002787 reinforcement Effects 0.000 description 14
- 238000010276 construction Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 238000005728 strengthening Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000009434 installation Methods 0.000 description 4
- 239000008267 milk Substances 0.000 description 3
- 210000004080 milk Anatomy 0.000 description 3
- 235000013336 milk Nutrition 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 244000046109 Sorghum vulgare var. nervosum Species 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012946 outsourcing Methods 0.000 description 1
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 230000002335 preservative effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Joining Of Building Structures In Genera (AREA)
Abstract
The utility model discloses a kind of Reinforced Concrete Circular Cylinder bracing means, it comprises Reinforced Concrete Circular Cylinder, described Reinforced Concrete Circular Cylinder outside is provided with first paragraph encased steel plate from top to bottom, second segment encased steel plate and the 3rd section of encased steel plate, described first paragraph encased steel plate two ends are provided with four grout holes, described second segment encased steel plate upper end is provided with two grout holes, described first paragraph encased steel plate, second segment encased steel plate and the 3rd section of encased steel plate welding form the steel pipe of a cuff outside Reinforced Concrete Circular Cylinder, between described steel pipe and Reinforced Concrete Circular Cylinder, be provided with grouting material.The utility model is applicable to use in the reinforcing that does not allow the concrete column that increases the sectional dimension of concrete component and need improve significantly its supporting capacity.
Description
Technical field
The utility model belongs to building structure field, specifically relates to that pair cross-section size and appearance effects are less, supporting capacity improves a kind of Reinforced Concrete Circular Cylinder bracing means large, economical rationality.
Background technology
The reinforcement and strengthening method of reinforced concrete post mainly contains reinforcement method of enlarging section, reinforced with external steel encased etc. at present.Reinforcement method of enlarging section, as the term suggests reach by strengthening the section area of member the reinforcement means that improves its supporting capacity requirement.In former post surrounding, add certain thickness steel hoop concrete exactly, and take certain construction measure to make it effectively to connect into an integral body with former post, reach co-operation to improve the object of its supporting capacity.If adopt this method, although can obviously improve its supporting capacity after reinforcing, meet existing supporting capacity requirement, but also there is its limitation simultaneously, if original pillar continues increasing section, on the one hand original usage space is dwindled, this is not necessarily allowed in building, and " fat post " after reinforcing is on the other hand disadvantageous to antidetonation.
Reinforced with external steel encased, the i.e. reinforcement means with shaped steel or steel plate at concrete component surrounding bag, Covered with Angles material can be used angle steel, channel-section steel, steel plate etc., for rectangular elements mostly at the surrounding cornerite steel of member, it laterally connects with hoop plate, and for round member mostly at the surrounding steel plated of member.To be pair cross-section size and appearance effects improve large, easy construction, less, the stressed comparatively reliable and economical rationality of site work amount compared with little and supporting capacity to the main feature of this reinforcement means, is therefore applicable to use in the reinforcing that does not allow the concrete column that increases the sectional dimension of concrete component and need improve significantly its supporting capacity.
Reinforced with external steel encased has two kinds of dry type and wet types.Dry type reinforced with external steel encased is that direct outer being wrapped in of shaped steel or steel plate is reinforced member surrounding, between shaped steel or steel plate and member, without any, be connected, also without the bonding of chemical constitution glue or grouting material etc., therefore, this reinforcement means can not be guaranteed between bonding surface Transfer of Shear effectively.Wet-enclosing Steel Reinforcement is divided into two kinds: first method is at Covered with Angles and is reinforced and between member, leaves certain spacing, interior fluid concrete, be actually the combined type reinforcing method that a kind of reinforced with external steel encased and reinforcement method of enlarging section combine, need take certain space; Second method is with chemical constitution glue or grouting material, Covered with Angles to be directly pasted on and to be reinforced on member, and pair cross-section size and appearance effects are little, easy construction.Wet-enclosing Steel Reinforcement has been guaranteed effective connection the between the bonding surface of Covered with Angles and former member owing to taking measures, make it co-operation effectively, Transfer of Shear effectively, and its ability that improves bearing capacity is significantly better than dry type reinforced with external steel encased.
Utility model content
Technical problem to be solved in the utility model is for former cylinder being reinforced while causing framework cylinder slenderness ratio or bearing capacity not to meet because of transformation or construction quality problem, and provide a kind of Reinforced Concrete Circular Cylinder bracing means, its pair cross-section size and appearance effects is less, supporting capacity improves large, easy construction, less, the stressed comparatively reliable and economical rationality of site work amount.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is as follows:
A kind of Reinforced Concrete Circular Cylinder bracing means, comprise Reinforced Concrete Circular Cylinder, described Reinforced Concrete Circular Cylinder outside is provided with first paragraph encased steel plate, second segment encased steel plate and the 3rd section of encased steel plate from top to bottom, described first paragraph encased steel plate two ends are provided with four grout holes, described second segment encased steel plate upper end is provided with two grout holes, described first paragraph encased steel plate, second segment encased steel plate and the 3rd section of encased steel plate welding form the steel pipe of a cuff outside Reinforced Concrete Circular Cylinder, between described steel pipe and Reinforced Concrete Circular Cylinder, are provided with grouting material.
Wherein, described Reinforced Concrete Circular Cylinder upper end bean column node is provided with reinforced concrete circular stirrup, the outer wall of steel pipe of described ring-shaped stirrup is welded with short muscle, ring-shaped stirrup bottom steel tube outer surface is welded with a circle doughnut-shaped steel plate, doughnut-shaped steel plate passes through bolt anchor again on former rc-frame-beam, is equidistantly welded with 12 radial floors of vertically putting more energy under described doughnut-shaped steel plate.
Wherein, described Reinforced Concrete Circular Cylinder lower end footing node flooring is provided with a lap welding and is connected to the doughnut-shaped steel plate in steel pipe walls, doughnut-shaped steel plate passes through bolt anchor again on the concrete-pool-wall of former reinforced concrete beam or case base, and described doughnut-shaped steel plate equal intervals is welded with 12 radial floors of vertically putting more energy into.
Wherein, described first paragraph encased steel plate, second segment encased steel plate and the 3rd section of encased steel plate respectively consist of two sections of semicircle steel plates, and material is intensity I level or II level steel.
Wherein, described grouting material is C35 microdilatancy Self-leveling grouting material.
The beneficial effects of the utility model: the ultimate bearing capacity that (1) can effectively improve cylinder, improve deformability and energy dissipation capacity simultaneously, improve the ductility of cylinder, meet better the shockproof requirements of structure; (2) pair cross-section size and appearance effects improve large, easy construction, less, the stressed comparatively reliable and economical rationality of site work amount compared with little and supporting capacity; (3) be applicable to not allow in the reinforcing of the concrete column that increases the sectional dimension of concrete component and need improve significantly its supporting capacity.
Accompanying drawing explanation
Fig. 1 is the reinforcement and strengthening figure of the utility model Reinforced Concrete Circular Cylinder bracing means;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is the B-B sectional view of Fig. 1;
Fig. 4 is the upper end beam column node processing figure of the reinforcement and strengthening of the utility model Reinforced Concrete Circular Cylinder bracing means;
Fig. 5 is the C-C sectional view of Fig. 4;
Fig. 6 is the D-D sectional view of Fig. 4;
Fig. 7 is the lower end footing node processing figure of the reinforcement and strengthening of the utility model Reinforced Concrete Circular Cylinder bracing means;
Fig. 8 is the E-E sectional view of Fig. 7;
In figure: first paragraph encased steel plate 1, second segment encased steel plate 2, the 3rd section of encased steel plate 3, grout hole 4, the floor 5 of putting more energy into, short muscle 6, bolt 7, ring-shaped stirrup 8.
The specific embodiment
Below in conjunction with accompanying drawing, to this use is novel, be described in further details.
A kind of Reinforced Concrete Circular Cylinder bracing means, comprise Reinforced Concrete Circular Cylinder, described Reinforced Concrete Circular Cylinder outside is provided with first paragraph encased steel plate 1, second segment encased steel plate 2 and the 3rd section of encased steel plate 3 from top to bottom, described first paragraph encased steel plate 1 two ends are provided with four grout holes 4, described second segment encased steel plate 2 upper ends are provided with two grout holes 4, described first paragraph encased steel plate 1, second segment encased steel plate 2 and the 3rd section of encased steel plate 3 welding form the steel pipe of a cuff outside Reinforced Concrete Circular Cylinder, between described steel pipe and Reinforced Concrete Circular Cylinder, are provided with grouting material.
Described Reinforced Concrete Circular Cylinder upper end bean column node is provided with reinforced concrete circular stirrup 8, the outer wall of steel pipe of described ring-shaped stirrup 8 is welded with short muscle 6, ring-shaped stirrup 8 bottom steel tube outer surfaces are welded with a circle doughnut-shaped steel plate, doughnut-shaped steel plate passes through bolt 7 anchors again on former rc-frame-beam, under described doughnut-shaped steel plate, be equidistantly welded with 12 radial floors 5 of vertically putting more energy into, described Reinforced Concrete Circular Cylinder lower end footing node flooring is provided with a lap welding and is connected to the doughnut-shaped steel plate in steel pipe walls, doughnut-shaped steel plate passes through bolt 7 anchors again on the concrete-pool-wall of former reinforced concrete beam or case base, described doughnut-shaped steel plate equal intervals is welded with 12 radial floors 5 of vertically putting more energy into, described first paragraph encased steel plate 1, second segment encased steel plate 2 and the 3rd section of encased steel plate 3 respectively consist of two sections of semicircle steel plates, material is intensity I level or II level steel, described grouting material is C35 microdilatancy Self-leveling grouting material.
Owing to using Functional change, need knock out the part superstructure (plate and beam) of two layers, causing wherein the length of a framework cylinder (diameter is 800mm) to become 9.3m(is that one deck floor height 4.8m adds two high 4.5m layer by layer), form relative slender column, its supporting capacity and stability are declined to some extent.For meeting normal instructions for use, ultimate bearing capacity requirement and shockproof requirements, it is carried out to reinforcement and strengthening processing.
In reinforcing process, reinforcing step is:
A, support beam slab, to be reinforced the beam slab that Reinforced Concrete Circular Cylinder is connected and effectively support.
B, processing column: polishing Reinforced Concrete Circular Cylinder surface makes it smooth, use again wire brush bristle periphery, and water is rinsed well, polishing flat is for curved plate and periphery are fitted more, with wire brush bristle and to rinse well be for curved plate and cylinder can be bonded together better by grouting material.
C, encased steel plate from bottom to top: encased steel plate is produce in factory, has three sections, and every section is divided into two semicircles, be divided into six, manufacture 180 degree curved plates of six sections of uniform internal diameters, four segment lengths are 3.0m, two segment lengths are 3.1m, and do preservative treatment effectively.Wherein, long for two sections of steel plates of 3.1m are placed in topmost, at the bottom of need rising to plate, meet Liang Chu and cut off.During encased steel plate construction, mainly contain following three steps:
First paragraph encased steel plate 1 is installed, the curved plate installation in position of two 3.0m length in cylinder bottom, when in place, is answered straightening, and outsourcing curved plate sticker is also calibrated in cylinder from X and Y both direction with jig.After in place, two steel plates are welded with groove welding at interface, make it to connect in aggregates, form a round steel pipe cuff in cylinder.Until weld seam temperature, be down to after 60 ℃, carry out the grouting of C35 microdilatancy Self-leveling grouting material, during grouting, by high-pressure pump, grouting material is pressed into from four grout holes 4 of lower end, until 4 of upper ends grout hole 4 all has slurries to overflow, stop grouting;
Second segment encased steel plate 2 is installed, on first paragraph encased steel plate 1 by two block plate installation in position, after in place, first two steel plates are used and welded at interface, and then second segment encased steel plate 2 and first paragraph encased steel plate 1 are welded at interface, when weld seam temperature is down to 55-65 ℃, by grout hole 4, between encased steel plate and former cylinder, be in the milk;
Second segment encased steel plate 2 is installed, the curved plate installation in position of on first paragraph encased steel plate 1, two 3.0m being grown, the interface of the interface of two steel plates of described first paragraph encased steel plate 1 and two steel plates of second segment encased steel plate 2 90 degree that stagger, after in place, first these section two steel plates are welded with groove welding at interface, and then this section of steel plate and leading portion steel plate are welded with groove welding at interface.Until weld seam temperature, be down to after 60 ℃, carry out the grouting of C35 microdilatancy Self-leveling grouting material, by high-pressure pump, grouting material is pressed into from grout hole 4, until the grout hole 4 of second segment encased steel plate 2 all has slurries to overflow, stop grouting;
The 3rd section of encased steel plate 3 is installed, by curved plate installation in position, welding and the grouting of last two block length 3.1m, while being now in the milk, need be all filled, without keeping somewhere again.The interface of two steel plates of the interface of two steel plates of described second segment encased steel plate 2 and the 3rd section of encased steel plate 3 90 degree that stagger, with first paragraph two steel plate interfaces on same vertical curve;
When to first paragraph encased steel plate 1 and second segment encased steel plate 2 construction grouting, all at Covered with Angles, keep somewhere one section of not grouting topmost, if its reason is to be in the milk to port, slurries will be bonded in steel plate port, port intractability when increasing two sections steel plate welds mutually, affects welding quality.In addition, during welding, weld seam ambient temperature is higher, can affect the bond quality of grouting material, keeps somewhere one section and can avoid this adverse effect.After encased steel plate construction, Covered with Angles has been welded into a cuff in the steel pipe of cylinder, has effective adhesive with former post, becomes an integral body jointly to participate in work with former steel concrete is cylindrical.
Upper end bean column node and the lower end footing node of D, reinforcing Covered with Angles:
During reinforced steel concrete cylinder upper end bean column node, the mode that adopts steel core concrete column ring beam type bean column node and the ring type bean column node of putting more energy into combine, at the bottom of Baogang of institute pipe extends plate always, meeting Liang Chu cuts off, at bean column node, wide and contour with the Chinese sorghum of this Nodes reinforced concrete circular stirrup 8 of 300mm is set, the outer wall of steel pipe of ring-shaped stirrup 8 welds short muscle 6, ring-shaped stirrup 8 bottom steel tube outer surface welding one circle doughnut-shaped steel plates, again doughnut-shaped steel plate is passed through to bolt 7 anchors again on former rc-frame-beam, under doughnut-shaped steel plate, equidistantly weld 12 radial floors 5 of vertically putting more energy into, and make it to weld mutually with steel pipe walls and steel loop plate, in addition, also some reinforcing bars and steel-pipe welding from back is hung,
During reinforced steel concrete cylinder lower end footing node, adopt the mode of strengthening Loop joint, Baogang of institute pipe extends one deck flooring, on the footing node flooring of Reinforced Concrete Circular Cylinder lower end, a lap welding is set and is connected to the doughnut-shaped steel plate in steel pipe walls, again doughnut-shaped steel plate is passed through to bolt 7 anchors again on the concrete-pool-wall of former reinforced concrete beam or case base, 12 radial floors 5 of vertically putting more energy into of doughnut-shaped steel plate equal intervals welding.
Claims (5)
1. a Reinforced Concrete Circular Cylinder bracing means, comprise Reinforced Concrete Circular Cylinder, it is characterized in that, described Reinforced Concrete Circular Cylinder outside is provided with first paragraph encased steel plate (1) from top to bottom, second segment encased steel plate (2) and the 3rd section of encased steel plate (3), described first paragraph encased steel plate (1) two ends are provided with four grout holes (4), described second segment encased steel plate (2) upper end is provided with two grout holes (4), described first paragraph encased steel plate (1), second segment encased steel plate (2) and the 3rd section of encased steel plate (3) welding form the steel pipe of a cuff outside Reinforced Concrete Circular Cylinder, between described steel pipe and Reinforced Concrete Circular Cylinder, be provided with grouting material.
2. Reinforced Concrete Circular Cylinder bracing means according to claim 1, it is characterized in that, described Reinforced Concrete Circular Cylinder upper end bean column node is provided with reinforced concrete circular stirrup (8), the outer wall of steel pipe of described ring-shaped stirrup (8) is welded with short muscle (6), ring-shaped stirrup (8) bottom steel tube outer surface is welded with a circle doughnut-shaped steel plate, doughnut-shaped steel plate passes through bolt (7) anchor again on former rc-frame-beam, is equidistantly welded with 12 radial floors (5) of vertically putting more energy under described doughnut-shaped steel plate.
3. Reinforced Concrete Circular Cylinder bracing means according to claim 1, it is characterized in that, described Reinforced Concrete Circular Cylinder lower end footing node flooring is provided with a lap welding and is connected to the doughnut-shaped steel plate in steel pipe walls, doughnut-shaped steel plate passes through bolt (7) anchor again on the concrete-pool-wall of former reinforced concrete beam or case base, and described doughnut-shaped steel plate equal intervals is welded with 12 radial floors (5) of vertically putting more energy into.
4. Reinforced Concrete Circular Cylinder bracing means according to claim 1, it is characterized in that, each consists of described first paragraph encased steel plate (1), second segment encased steel plate (2) and the 3rd section of encased steel plate (3) two sections of semicircle steel plates, and material is intensity I level or II level steel.
5. Reinforced Concrete Circular Cylinder bracing means according to claim 1, is characterized in that, described grouting material is C35 microdilatancy Self-leveling grouting material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420359932.0U CN203947797U (en) | 2014-07-02 | 2014-07-02 | Reinforced Concrete Circular Cylinder bracing means |
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| CN201420359932.0U CN203947797U (en) | 2014-07-02 | 2014-07-02 | Reinforced Concrete Circular Cylinder bracing means |
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| CN203947797U true CN203947797U (en) | 2014-11-19 |
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| CN201420359932.0U Expired - Lifetime CN203947797U (en) | 2014-07-02 | 2014-07-02 | Reinforced Concrete Circular Cylinder bracing means |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104060848A (en) * | 2014-07-02 | 2014-09-24 | 常州市规划设计院 | Reinforced concrete cylinder reinforcing device and reinforcing method |
| CN106437261A (en) * | 2016-09-30 | 2017-02-22 | 天津大学 | Concrete frame seismic reinforcement structure applying expanded metal |
| CN113622537A (en) * | 2021-08-23 | 2021-11-09 | 柏林 | Shock absorption steel structure connecting piece connected with column foundation shock absorber |
-
2014
- 2014-07-02 CN CN201420359932.0U patent/CN203947797U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104060848A (en) * | 2014-07-02 | 2014-09-24 | 常州市规划设计院 | Reinforced concrete cylinder reinforcing device and reinforcing method |
| CN106437261A (en) * | 2016-09-30 | 2017-02-22 | 天津大学 | Concrete frame seismic reinforcement structure applying expanded metal |
| CN106437261B (en) * | 2016-09-30 | 2019-05-07 | 天津大学 | A kind of concrete frame seismic reinforcing structure using expanded metal lath |
| CN113622537A (en) * | 2021-08-23 | 2021-11-09 | 柏林 | Shock absorption steel structure connecting piece connected with column foundation shock absorber |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141119 |
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| CX01 | Expiry of patent term |