CN205712740U - Four pencil ultra-high performance concrete constraint normal concrete rectangular columns - Google Patents
Four pencil ultra-high performance concrete constraint normal concrete rectangular columns Download PDFInfo
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- CN205712740U CN205712740U CN201620346611.6U CN201620346611U CN205712740U CN 205712740 U CN205712740 U CN 205712740U CN 201620346611 U CN201620346611 U CN 201620346611U CN 205712740 U CN205712740 U CN 205712740U
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Abstract
The utility model discloses a kind of four pencil ultra-high performance concrete constraint normal concrete rectangular columns, including rectangular section concrete post, the cylinder skeleton of concrete column includes the skin plating being coated on outside shaft and the internal partition separating column section inner space, cylinder skeleton is poured molding skin plating by ultra-high performance concrete (UHPC), with internal partition, rectangular column cross section is divided into the pencil rectangular element body that four sizes are identical and independent, forms the independent separate body post of four pencils；Concrete and the reinforcement cage skeleton of arrangement demand of regular tenacity grade can be poured in each separated column.This utility model makes full use of concrete from binding function, replaces the steel outsourcing effect of contraction to concrete, and saving steel also reduces cost；Based on density excellent for UHPC, pouring property and high intensity, four pencils after the subregion of cross section can significantly improve bearing capacity and the endurance quality of concrete column, has the features such as simple in construction, material novelty, superior performance, adaptation building industrialization production.
Description
Technical field
This utility model belongs to construction engineering technical field, particularly relates to a kind of four pencil ultra-high performance concrete constraint normal concrete rectangular columns.
Background technology
Reinforced concrete structure post is as a kind of vertical supporting member having a large capacity and a wide range, and it has played important function in all kinds of architectural engineerings and science of bridge building.But in the face of the economic needs of high speed development, generally there is the situation such as population collection region, urban land anxiety in the whole world, this just proposes more stringent requirement to Urban Planner and builder, the most how to improve people's life quality the paces immediately following urban development under limited living environment.Therefore, the important lifeline engineerings such as executive information systems, heavy duty bridge arise at the historic moment, this certainly will produce huge impact to conventional steel bar concrete structural column, it is mainly the defects such as the bearing capacity of reinforced column is limited, anti-seismic performance is poor, endurance quality is bad, the most just limits the application in said structure of this class A of geometric unitA.
In order to meet the demand of structural-load-carrying capacity, many enhancement mode measures are used for reinforced column, and these measures mainly include improving concrete strength (as used high-strength concrete), increasing steel ratio (as used steel reinforced concrete) and use confined concrete (such as concrete filled steel tube) etc..Although high-strength concrete can improve the bearing capacity of post itself, but the fragility of high-strength concrete is the most unfavorable to the anti-seismic performance of structural column.The most built-in shaped steel can make up the deficiency of high-strength concrete in this respect, but another prominent question is also following, i.e. arranges in post that more shaped steel will cause pouring of construction stage concrete the most difficult, it is impossible to ensures the pouring quality of concrete.Obviously, confined concrete technology is used can preferably to avoid the generation of above-mentioned phenomenon, steel core concrete column has acted on the advantage of steel construction and xoncrete structure, but in steel usage amount, then seem economical not, and easily occur between steel pipe and concrete gluing the phenomenons such as de-, it can weaken the steel pipe effect of contraction to concrete, and combined effect is deteriorated.Although corresponding construction measure (as arranged ribbed stiffener and binding bar) is also proposed to improve the performance of steel core concrete column, but steel pipe can be caused bigger damage by these measures, and processing cost also increases considerably.Additionally, the steel pipe of outsourcing processes the most loaded down with trivial details in steel core concrete column later stage anticorrosion, fire prevention, if dealing with improperly, the most extremely it is unfavorable for endurance quality and the fire protecting performance of structure.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of simple structure, convenient, four pencil ultra-high performance concrete constraint normal concrete rectangular columns of function admirable, economy of constructing.
For solving above-mentioned technical problem, this utility model is by the following technical solutions: four pencil ultra-high performance concretes constraint common concrete column, including rectangular section concrete post, the cylinder skeleton of rectangular section concrete post includes the skin plating being coated on outside post and the internal partition separating column section inner space, cylinder skeleton is poured molding by ultra-high performance concrete, and the skin plating of composition skeleton and internal partition connect with each other；Rectangular column cross section is divided into the rectangle separate unit body that four sizes are identical with internal partition by skin plating, forms the independent separate body post of four pencils.
Internal partition has twice, lays respectively on the orthogonal axis of rectangular section column, and is respectively perpendicular to the post skin plating of both direction.
In each cell cube, place reinforcement cage skeleton, and use normal concrete to pour closely knit by each unit body.
Reinforcement cage skeleton is rectangle, longitudinal reinforcement and horizontal hoop colligation form.
The deficiency existed for existing reinforced column, inventor devises a kind of four pencil ultra-high performance concrete constraint common concrete column, including rectangular section concrete post, the cylinder skeleton of rectangular section concrete post includes the skin plating being coated on outside post and the internal partition separating column section inner space, and cylinder skeleton is poured molding by ultra-high performance concrete；Rectangular column cross section is divided into the rectangle separate unit body that four sizes are identical with internal partition by skin plating, forms the independent separate body post of four pencils.
This utility model achieves increasing substantially of reinforced column bearing capacity by three aspects:
<1>use the ultra-high performance concrete of high compactness and high intensity as the skin plating of concrete column and internal partition, form the constraint skeleton to internal normal concrete, and the two " high " has exactly promoted ultra-high performance concrete to may replace the conventional steel constraint material to concrete, overcome the defects such as outside steel pipe corrosion resistance is poor, apyrous is bad, be also beneficial to saving steel and reduce the expense needed for construction costs and later maintenance.
<2>ultra-high performance concrete has followed the feature of concrete pourability, as internal partition, the inner space of rectangular column is carried out subregion, forming the independent separate body post of four pencils, less pole section can play the effect that constraint is compacted, and is conducive to the effect of restraint higher to concrete material；By arranging internal partition in orthogonal both direction, and square-section is divided into quarter, beneficially column section uniform stressed, plays the bearing capacity of material.
<3>configurable polytype strengthening measure in each bundle independent separate body post, such as reinforcement cage skeleton, type steel skeleton, steel pipe, pvc pipe and high-strength concrete etc., conveniently meets the concrete column design form of different bearer power demand.
In a word, this utility model makes full use of concrete from binding function (ultra-high performance concrete constraint normal concrete), giving full play to the characteristic that Poisson ratio between concrete material is close, replace the steel outsourcing effect of contraction to concrete with this, saving steel also reduces cost；Based on density, pouring property and high intensity that ultra-high performance concrete is excellent, many pencils can significantly improve bearing capacity and the endurance quality of rectangular column, has the features such as simple in construction, material novelty, superior performance.Additionally, can be realized the requirement of building industrialization by prefabricated ultra-high performance concrete cylinder skeleton, the most frivolous high-strength ultra-high performance concrete is conducive to mechanization to lift, can effective accelerating construction progress.
Accompanying drawing explanation
Fig. 1 is that this utility model four pencil ultra-high performance concrete retrains common concrete column cylinder skeleton schematic diagram.
Fig. 2 is that this utility model four pencil ultra-high performance concrete retrains common concrete column space multistory schematic diagram.
In Fig. 1 and Fig. 2: 1 internal partition one, 2 internal partitions two, 3 skin platings, 4 longitudinal reinforcements, 5 horizontal hoops, 6 normal concretes.
Detailed description of the invention
Basic structure
As depicted in figs. 1 and 2, four pencil ultra-high performance concrete constraint common concrete column of the present utility model, including rectangular section concrete post, the cylinder skeleton of rectangular section concrete post includes the skin plating being coated on outside post and the internal partition separating column section inner space, cylinder skeleton is by the prefabricated components of ultra-high performance concrete primary concreting molding, and the skin plating of composition skeleton and internal partition connect with each other；The axis of the orthogonal both direction in rectangular column cross section arranges twice internal partition, is respectively perpendicular to each limit skin plating；Rectangular column cross section is divided into the rectangle separate unit body that four sizes are identical with internal partition by skin plating, forms the independent separate body post of four pencils.In each cell cube, place the reinforcement cage skeleton of appropriateness arrangement of reinforcement, and use normal concrete to pour closely knit by each unit body.
Design principle
As shown in Figure 1, in the cylinder skeleton of rectangular section column, internal partition one and internal partition two lay respectively on rectangular section column pairwise orthogonal axis, and it is respectively perpendicular to the skin plating on each limit of post, thus big square-section is divided into four less square-sections, and the area equation of four little square-sections；By arranging skin plating in rectangular section column external body, form the function within outsourcing constraint, and internal partition and skin plating are mutually communicated become an overall skeleton；By to rectangular framework formwork and pour ultra-high performance concrete in it, using steam curing aftershaping is rectangle ultra-high performance concrete cylinder skeleton.This production process preferably produces in the factory for prefabrication of high gauge, it is ensured that component quality.As in figure 2 it is shown, on the basis of Fig. 1 cylinder skeleton, as desired by configuring corresponding longitudinal reinforcement and horizontal hoop, and by being positioned in each pencil separated column by the rectangle reinforcement cage skeleton of both colligations, further enhance the bearing capacity of rectangular column；Afterwards, in it, space pours normal concrete, is consequently formed four pencil ultra-high performance concrete constraint common concrete column.
Production and application
1) first rectangular column cylinder skeleton as shown in Figure 1 is formed at factory for prefabrication's formwork, the axis of the orthogonal both direction of column section arranges twice internal partition, it is respectively perpendicular to each limit skin plating, in skin plating and internal partition, pours ultra-high performance concrete afterwards and use steam curing molding；
2) by the ad-hoc location in rectangle ultra-high performance concrete cylinder skeleton lifting to frame structure, built-in connection is used to be attached with basis or lower floor by cylinder skeleton；
3) according to certain specification colligation rectangle reinforcement cage skeleton, this reinforcement cage skeleton is made up of the horizontal hoop of the longitudinal reinforcement being distributed in four angle points in square-section and certain stirrup spacing；
4) reinforcement cage skeleton is respectively put in each bundle separated column of rectangular column cylinder, and pours normal concrete wherein and get final product.
In sum, four pencil rectangular section columns of this utility model application ultra-high performance concrete constraint normal concrete, compared with prior art have the advantage that
1) after to square-section subregion, each pencil unit can be equivalent to a separated column, and each pencil separated column be by outsourcing and interior every ultra-high performance concrete thin plate link together, i.e. have split in disjunctor, the most just form a section form the most independent but also unified；
2) in each pencil cross section, many kinds of measures can be used to be used for improving the bearing capacity of rectangular column, its interior configuration mode is more flexible, can be reinforcement cage skeleton, type steel skeleton, steel pipe, pvc pipe etc., even at each separated column only with normal concrete or high-strength concrete；According to the enhancement method of high-strength concrete, can effectively overcome the brittleness that high-strength concrete is had, it is achieved good-good combine；
3) ultra-high performance concrete (UHPC) is the very-high performance Fiber Reinforced Cement Based Composites of a kind of high intensity, high-modulus, high ductility, UHPC also has at a relatively high compactness, impervious coefficient is the highest, and moisture is difficult to enter internal normal concrete through UHPC substantially.If replacing normal concrete structure with UHPC, generally can use less thickness of slab, reducing dead load, thus reducing construction costs.Therefore replacing steel pipe with ultra-high performance concrete, the density that on the one hand ultra-high performance concrete is good is the most defeated in steel, and its comprcssive strength is also much larger than the intensity of steel, therefore can saving steel reduce cost；On the other hand it is avoided that the endurance quality produced because of steel corrosion reduces and fire prevention measure requires that the human and material resources required for the later maintenance such as harshness put into, it is achieved the purpose put things right once and for all；
4) in factory, the rectangular column cylinder poured by ultra-high performance concrete can be realized building industrialization as prefabricated components to produce, it is ensured that pouring and maintenance quality of ultra-high performance concrete, accelerating construction progress, be conducive to saving comprehensive cost；
5) ultra-high performance concrete has tensile strength, comprcssive strength and the endurance quality more superior than normal concrete, bearing capacity and the corrosion resistance of rectangular column can be significantly improved, use this class A of geometric unitA also to can guarantee that the performance of its mechanical property in extreme circumstances, have a good application prospect from binding function for realizing concrete.
Claims (4)
1. a pencil ultra-high performance concrete constraint normal concrete rectangular column, including rectangular section concrete post, it is characterized in that: the cylinder skeleton of described rectangular section concrete post includes the skin plating being coated on outside post and the internal partition separating column section inner space, cylinder skeleton is poured molding by ultra-high performance concrete, and the skin plating of composition skeleton and internal partition connect with each other；Rectangular column cross section is divided into the rectangle separate unit body that four sizes are identical with internal partition by described skin plating, forms the independent separate body post of four pencils.
Four pencil ultra-high performance concrete constraint normal concrete rectangular columns the most according to claim 1, it is characterised in that: described internal partition has twice, lays respectively on the orthogonal axis of rectangular section column, and is respectively perpendicular to the post skin plating of both direction.
Four pencil ultra-high performance concrete constraint normal concrete rectangular columns the most according to claim 1, it is characterised in that place reinforcement cage skeleton in each described cell cube, and use normal concrete to pour closely knit by each unit body.
Four pencil ultra-high performance concrete constraint normal concrete rectangular columns the most according to claim 3, it is characterised in that: described reinforcement cage skeleton is rectangle, longitudinal reinforcement and horizontal hoop colligation form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620346611.6U CN205712740U (en) | 2016-04-22 | 2016-04-22 | Four pencil ultra-high performance concrete constraint normal concrete rectangular columns |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620346611.6U CN205712740U (en) | 2016-04-22 | 2016-04-22 | Four pencil ultra-high performance concrete constraint normal concrete rectangular columns |
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| CN205712740U true CN205712740U (en) | 2016-11-23 |
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| CN201620346611.6U Expired - Fee Related CN205712740U (en) | 2016-04-22 | 2016-04-22 | Four pencil ultra-high performance concrete constraint normal concrete rectangular columns |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105756286A (en) * | 2016-04-22 | 2016-07-13 | 广西大学 | Four-bundle ultrahigh-performance concrete restrained common concrete rectangular column |
| CN108457423A (en) * | 2018-03-22 | 2018-08-28 | 山东科技大学 | Improve the pillar of former design damage -form by the variation of carrying mechanism |
-
2016
- 2016-04-22 CN CN201620346611.6U patent/CN205712740U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105756286A (en) * | 2016-04-22 | 2016-07-13 | 广西大学 | Four-bundle ultrahigh-performance concrete restrained common concrete rectangular column |
| CN108457423A (en) * | 2018-03-22 | 2018-08-28 | 山东科技大学 | Improve the pillar of former design damage -form by the variation of carrying mechanism |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161123 Termination date: 20170422 |
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| CF01 | Termination of patent right due to non-payment of annual fee |