CN209429391U - A kind of novel L-shaped shaped rc columns - Google Patents

Abstract

The utility model provides a kind of novel L-shaped shaped rc columns, the cylinder to be formed is combined using concrete and rebar, cylinder includes confluence and two column limbs, confluence is equipped with the first restraining structure, column limb is equipped with the second restraining structure, reinforcement restraining structure is additionally provided between confluence and two column limbs, the first restraining structure is connect by reinforcing restraining structure with the second restraining structure；First restraining structure includes four middle part reinforcing bars being arranged in confluence, and middle part reinforcing bar is in rectangular arranged；Second restraining structure includes several external reinforcing bars that column limb is arranged in；First rectangle hoop is set to the outside of middle part reinforcing bar and external reinforcing bar；Reinforcing restraining structure includes two stiffeners, several second rectangle hoops and several triangle u stirrups, stiffener is located between middle part reinforcing bar and external reinforcing bar, two external reinforcing bars are connect with a stiffener by triangle u stirrup, and three middle part reinforcing bars are connect with two stiffeners by the second rectangle hoop.

Description

A kind of novel L-shaped shaped rc columns

Technical field

The utility model relates to armored concrete field more particularly to a kind of novel L-shaped shaped rc columns.

Background technique

Special-Shaped Column refers under the premise of meeting the requirement such as the rigidity of structure and bearing capacity, uses function, building according to building The requirement of design arrangement and the column for taking different geometries section: the column of the shaped cross such as T, L, cross, and section The high length depth ratio of the limb of each limb is not more than 4 column.Each limb limb length of general Special-Shaped Column is equal, and shock resistance is than unequal abnormity Column is more preferable.

The stirrup configured in conventional steel bar concrete Special-Shaped Column is horizontal hoop, that is, is parallel to two engineering axis directions, is The rectangle hoop of closure, it is this kind of to match hoop formula to elongated shape shaped rc columns right in the biggish application scenarios of stress The restriction ability of concrete seems insufficient, and concrete is easy to that lateral expansion occurs.

Meanwhile when cylinder stress is larger, in the confluence of two engineering axis, so-called inner corner trim region, that is, abnormity The core of column, this region are a stress confluences, and stress is the most complicated, cross of the common horizontal hoop to limitation concrete It is difficult to meet to expansion, it is also particularly important for improving the concrete restriction ability in inner corner trim area.

L-shaped shaped rc columns are mainly used in the corner post of building, stress complexity and larger, traditional L-shaped Shaped rc columns are often difficult to meet the requirements in terms of core space concrete constraint, need to be met by increasing stirrup ratio Related stress performance demand, leading to it, hooping bars layout is intensive in elongated Special-Shaped Column column limb, is unfavorable for concrete construction and phase Close technique requirement.

In view of this, it is proposed that a kind of novel L-shaped shaped rc columns, to solve the above problems.

Summary of the invention

The purpose of this utility model is to provide a kind of novel L-shaped shaped rc columns, by confluence It is arranged and reinforces restraining structure to connect the first restraining structure in traditional Special-Shaped Column and the second restraining structure and enhance to confluence Or even cylinder is integrally to the restriction ability of concrete lateral expansion, to realize protection to inner corner trim and improve the vertical of cylinder Bearing capacity.

The technology that the utility model uses is:

A kind of novel L-shaped shaped rc columns, the cylinder to be formed are combined using concrete and rebar, cylinder includes Confluence and two column limbs, confluence are equipped with the first restraining structure, and column limb is equipped with the second restraining structure, confluence and two column limbs Between be additionally provided with reinforcement restraining structure, the first restraining structure is connect by reinforcing restraining structure with the second restraining structure；First about Binding structure includes four middle part reinforcing bars being arranged in confluence, and middle part reinforcing bar is in rectangular arranged；Second restraining structure includes setting Set several external reinforcing bars in column limb；It further include several first rectangle hoops, the first rectangle hoop is set to middle part reinforcing bar and outside The outside of reinforcing bar；Reinforcing restraining structure includes two stiffeners, several second rectangle hoops and several triangle u stirrups, is reinforced Reinforcing bar is located between middle part reinforcing bar and external reinforcing bar, and two external reinforcing bars are connect with a stiffener by triangle u stirrup, Three middle part reinforcing bars are connect with two stiffeners by the second rectangle hoop.

Through the above technical solutions, the first restraining structure and second is about on traditional L-shaped shaped rc columns On the basis of binding structure, increases and reinforce restraining structure to connect middle part reinforcing bar and external reinforcing bar, improve mutually making an appointment between reinforcing bar Cylinder is integrally divided into multiple triangle restriction regions by Shu Nengli, is realized to confluence or even entirety to concrete restriction ability Raising, thus realize to inner corner trim protection with improve cylinder vertical bearing capacity raising.

As advanced optimizing for scheme, the even number root that external reinforcing bar is four or more, every four external reinforcing bars are in square Shape arrangement, intersects and is equipped with several lacing wires.Two column limbs of L-shaped shaped rc columns are mostly long column limb, wherein external steel Muscle is generally four or more, in addition to traditional rectangle hoop is attached, is also provided with the lacing wire of intersection to carry out further Connection.

As advanced optimizing for scheme, it is arranged close to three middle part reinforcing bars and two stiffeners of stiffener the On the inside of two rectangle hoops, two middle part reinforcing bars and two stiffeners are in four angles of the second rectangle hoop, in addition in one Portion's reinforcing bar is on the inside of the edge of the second rectangle hoop.The outside of middle part reinforcing bar is arranged in stiffener, passes through the second rectangle hoop Connection middle part reinforcing bar and stiffener, form and constrain enhancing structure to confluence, form the protection to inner corner trim.

As advanced optimizing for scheme, stiffener is located at the middle part of the limb wide direction of column limb.Stiffener is set to column The position of center line of limb realizes stress symmetrical structure, guarantees the uniform force of cylinder.

As advanced optimizing for scheme, the limb height and the wide ratio of limb of cylinder are 2-3.The limb height of cylinder should not be wider than limb Size is too many greatly, and too high limb height causes the area coverage of column limb constraint enhancing structure to become smaller, and binding effect is lower.

As advanced optimizing for scheme, triangle u stirrup is equilateral triangular shape.When control limb height and the wide ratio of limb When example, triangle u stirrup is designed as equilateral triangle structure, and structure is the most stable at this time, and stress intensity is best.

As advanced optimizing for scheme, the vertical range of the external external wall of reinforcing bar distance post is 20-40mm.External reinforcing bar Outer concrete thickness cannot be too thin, and too thin concrete layer is easily peeled off, too thick, and concrete constrains the binding effect of enhancing structure Difference.

As advanced optimizing for scheme, the longitudinal pitch of the first rectangle hoop is 80-200mm, the second rectangle hoop Longitudinal pitch is 80-200mm, and the longitudinal pitch of triangle u stirrup is 80-200mm.The spacing of all kinds of stirrups should be arranged rationally, prevent Only the oversize rock material in concrete is stuck between stirrup, causes concreting effect poor, structure leakiness.

As advanced optimizing for scheme, the first rectangle hoop, the second rectangle hoop and triangle u stirrup are closed hoop Muscle.Each stirrup uses closed stirrup structure, improves the effect of stirrup banding, improves the effect of pullling to reinforcing bar.End is pre- Crotch structure is stayed, is reinforced when necessary using welding.

As advanced optimizing for scheme, the first rectangle hoop, the second rectangle hoop and triangle stirrup diameter are 6- 8mm.Stirrup considers actual requirement, and too small stirrup is easily broken off, and excessive stirrup bending difficulty is big, and heavy workload is held Easily cause waste.

Compared with prior art, the utility model has the beneficial effects that

On the basis of the first restraining structure on traditional L-shaped shaped rc columns and the second restraining structure, increase Reinforce restraining structure to connect middle part reinforcing bar and external reinforcing bar, improve the ability constrained each other between reinforcing bar, by cylinder entirety It is divided into multiple triangle restriction regions, realizes to confluence or even the whole raising to concrete restriction ability, thus realization pair The protection of inner corner trim and the raising for improving cylinder vertical bearing capacity.

Optimization is made by the size relationship of position and cylinder to arrangement of bar, to improve bar construction to mixed The restriction ability for coagulating soil, improves whole vertical bearing capacity.

By controlling the arrangement spacing and materials size of all kinds of stirrups, carrys out the realization of assurance function and reach save the cost Effect.

Detailed description of the invention

Fig. 1 is a kind of structural schematic diagram of novel L-shaped shaped rc columns provided by the utility model；

Fig. 2 is a kind of structural schematic diagram of the cylinder of novel L-shaped shaped rc columns provided by the utility model.

Specific embodiment

The utility model is described in detail in each embodiment shown in reference to the accompanying drawing, but it should be stated that, These embodiments are not limitation of the utility model, those of ordinary skill in the art according to these embodiments made by function Energy, method or equivalent transformation or substitution in structure, belong within the protection scope of the utility model.

In the description of the present embodiment, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower", The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description the utility model and creates and simplify description, rather than The device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot It is interpreted as the limitation created to the utility model.

In addition, term " first ", " second ", " third " etc. are used for description purposes only, it is not understood to indicate or imply Relative importance or the quantity for implicitly indicating indicated technical characteristic.The feature of " first ", " second " etc. is defined as a result, It can explicitly or implicitly include one or more of the features.In the description that the utility model is created, unless otherwise Illustrate, the meaning of " plurality " is two or more.

Term " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, be also possible to removable Connection is unloaded, or is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be in Between medium be indirectly connected, can be the connection inside two elements.For the ordinary skill in the art, can pass through Concrete condition understands concrete meaning of the above-mentioned term in the utility model creation.

Embodiment 1:

Referring to shown in attached drawing 1-2, a kind of novel L-shaped shaped rc columns combine shape using concrete and rebar At cylinder, cylinder includes confluence 1 and two column limbs 2, and confluence 1 is equipped with the first restraining structure, and column limb 2 is equipped with the second constraint Structure, is additionally provided with reinforcement restraining structure between confluence 1 and two column limbs 2, the first restraining structure by reinforce restraining structure with The connection of second restraining structure；First restraining structure includes four middle part reinforcing bars 3 being arranged in confluence 1, and middle part reinforcing bar 3 is in square Shape arrangement；Second restraining structure includes several external reinforcing bars 4 that column limb 2 is arranged in；It further include several first rectangle hoops 6, the One rectangle hoop 6 is set to the outside of middle part reinforcing bar 3 and external reinforcing bar 4；Reinforcing restraining structure includes two stiffeners 5, several Second rectangle hoop 7 and several triangle u stirrups 8, stiffener 5 are located between middle part reinforcing bar 3 and external reinforcing bar 4, two outsides Reinforcing bar 4 is connect with a stiffener 5 by triangle u stirrup 8, and three middle part reinforcing bars 3 and two stiffeners 5 pass through second Rectangle hoop 7 connects.

Through the above technical solutions, the first restraining structure and second is about on traditional L-shaped shaped rc columns On the basis of binding structure, increases and reinforce restraining structure to connect middle part reinforcing bar 3 and external reinforcing bar 4, improve mutual between reinforcing bar Cylinder is integrally divided into multiple triangle restriction regions by restriction ability, is realized and is constrained energy to concrete to confluence 1 or even entirety The raising of power, to realize the protection and the raising of raising cylinder vertical bearing capacity to inner corner trim.

As advanced optimizing for scheme, external reinforcing bar 4 is four or more even number roots, and every four external reinforcing bars 4 are in Rectangular arranged intersects and is equipped with several lacing wires 9.Two column limbs 2 of L-shaped shaped rc columns are mostly long column limb 2, China and foreign countries Portion's reinforcing bar 4 is generally four or more, in addition to traditional rectangle hoop is attached, is also provided with the lacing wire 9 of intersection to carry out Further connection.

As shown in Figure 1, middle part reinforcing bar 3 and external reinforcing bar 4 are in rectangular arranged, pass through the first rectangle in figure laterally and longitudinally Stirrup 6 carries out first step connection, wherein middle part reinforcing bar 3 is first connect with hithermost two external reinforcing bars 4, then outer with outermost two Portion's reinforcing bar 4 connects；Then stiffener 5 is set between middle part reinforcing bar 3 and external reinforcing bar 4, is connected by the second rectangle hoop 7 Two stiffeners 5 and two middle part reinforcing bars 3, by stiffener 5, adjacent reinforcing bars 4 outside two connect on place column limb 2 again It is connected together, so that column limb 2 is more preferable to the restriction ability of concrete.Between external reinforcing bar 4, carry out by lacing wire 9 into one Step constraint.

The protection of inner corner trim, mainly by improving confluence 1 and adjacent pillars limb 2 to the constraint energy of the lateral expansion of concrete Power, actually premised on the stability of guarantee bar construction entirety, in common process, once find that original structure can not When meeting the constraint of lateral expansion, mostly uses the external reinforcing bar 4 of increase or increase by the first rectangle hoop 6, play the role of often not Such as manpower, materials are also more wasted, and do not mention substantive raising to the restriction ability of confluence 1.

In the present invention, middle part reinforcing bar 3 and external reinforcing bar 4 are connected by proposing to increase stiffener 5, is formed such as Cylinder, is integrally divided into multiple zonules, mutually makeed an appointment between whole bar construction by multiple triangle restriction regions of Fig. 1 Beam forms the constraint to coagulation soil stabilization.

Embodiment 2:

It please refers to shown in Fig. 1-2, the present embodiment and the difference of embodiment 1 are limited by the placement location to reinforcing bar It is fixed, so that whole bar construction is more stable, it is stronger to the restriction ability of concrete.

In the present embodiment, it is arranged close to three middle part reinforcing bars 3 of stiffener 5 and two stiffeners 5 in the second square The inside of u stirrup 7, two middle part reinforcing bars 3 and two stiffeners 5 are in four angles of the second rectangle hoop 7, in addition in one Portion's reinforcing bar 3 is on the inside of the edge of the second rectangle hoop 7.The outside of middle part reinforcing bar 3 is arranged in stiffener 5, passes through the second rectangle The connection of stirrup 7 middle part reinforcing bar 3 and stiffener 5, form and constrain enhancing structure to confluence 1, form the protection to inner corner trim.

As advanced optimizing for scheme, stiffener 5 is located at the middle part of the limb wide direction of column limb 2.Stiffener 5 is set to The position of center line of column limb 2 realizes stress symmetrical structure, guarantees the uniform force of cylinder.

As advanced optimizing for scheme, the limb height and the wide ratio of limb of cylinder are 2-3.The limb height of cylinder should not be wider than limb Size is too many greatly, and the area coverage that too high limb height causes column limb 2 to constrain enhancing structure becomes smaller, and binding effect is lower.

As advanced optimizing for scheme, triangle u stirrup 8 is equilateral triangular shape.When control limb height and the wide ratio of limb When example, triangle u stirrup 8 is designed as equilateral triangle structure, and structure is the most stable at this time, and stress intensity is best.

As advanced optimizing for scheme, the vertical range of the external wall of external 4 distance post of reinforcing bar is 20-40mm.External steel Concrete thickness outside muscle 4 cannot be too thin, and too thin concrete layer is easily peeled off, too thick, and concrete constrains the constraint of enhancing structure Effect is poor.

Optimization through the above technical solution, the square arrangement of middle part reinforcing bar 3, stiffener 5 and three middle part reinforcing bars 3 The inside of first rectangle hoop 6 is set, stiffener 5 and adjacent external reinforcing bar 4 formation triangular arranged, at this time three Angular stirrup 8 is equilateral triangle structure.When lateral expansion occurs for the concrete in confluence 1, the middle part of square distribution Reinforcing bar 3 forms first layer restraining structure under the action of the first rectangle hoop 6 with external reinforcing bar 4, when square distribution, in The effect of contraction that portion's reinforcing bar 3 plays is maximum；Distributed rectangular knot as shown in Figure 1 is formed by stiffener 5 and middle part reinforcing bar 3 again Structure is wanted to deform outward near the middle part reinforcing bar 3 of inner corner trim, and there are also the second layers that the second rectangle hoop 7 is formed with stiffener 5 Restraining structure, finally, the equilateral triangle restraining structure formed by stiffener 5 and external reinforcing bar 4, forms stable constraint Structure constrains the region adjacent with confluence 1 of column limb 2.

When lateral expansion occurs for the concrete of cylinder, all reinforcing bars have the tendency that deforming outward, traditional handicraft It is inadequate for only carrying out the constraint between reinforcing bar by the first rectangle hoop 6, because also having certain flexibility under stirrup long range, The space that reinforcing bar has outside to deform seems insufficient to the restriction ability of reinforcing bar.So, by increasing by the second rectangle hoop 7 and three Short distance stirrup as angular stirrup 8 first overcomes the problems, such as a part of flexibility.Furthermore want near the middle part reinforcing bar 3 of inner corner trim Outward, just stiffener 5 inner corner trim direction must be dragged to just to be able to achieve, and stiffener 5 is that external reinforcing bar 4 is formed and stablizes Equilateral triangle structure, stiffener 5 under the action of concrete expansion, itself have outside trend.That is, sharp With the connection of stiffener 5 and external reinforcing bar 4, and from the power in concrete expansion, to form the pact to middle part reinforcing bar 3 Beam, to realize the enhancing to the restriction ability of confluence 1.

In the second rectangle hoop 7, such as two stiffeners 5 in four corners of Fig. 1 and two middle part reinforcing bars 3, mixing Have the tendency that under the action of solidifying soil lateral expansion it is outside, then the second rectangle hoop 7 is integrated with distracted trend, due to second 7 length of rectangle hoop is shorter, and integral rigidity is preferable, unless the second rectangle hoop 7 is pulled off, two middle part reinforcing bars 3 add with two Strong reinforcing bar 5 will not deform outward, then the middle part reinforcing bar 3 on 7 side of the second rectangle hoop, will deform, also to inner corner trim It is to need to support the second rectangle hoop of end 7 to be likely to.Second rectangle hoop 7 itself has preferable rigidity, under concrete package, Substantially the phenomenon that being not in fracture.

Embodiment 3:

It please refers to shown in Fig. 1-2, the present embodiment and the difference of embodiment 2 be, passes through longitudinal arrangement to stirrup and sorting Specification optimizes, to guarantee the constraint of bar construction, pour effect and control cost.

In the present embodiment, the longitudinal pitch of the first rectangle hoop 6 is 80-200mm, between the longitudinal direction of the second rectangle hoop 7 It is 80-200mm away from the longitudinal pitch for 80-200mm, triangle u stirrup 8.The spacing of all kinds of stirrups should be arranged rationally, prevent from mixing Oversize rock material in solidifying soil is stuck between stirrup, causes concreting effect poor, structure leakiness.

As advanced optimizing for scheme, the first rectangle hoop 6, the second rectangle hoop 7 and triangle u stirrup 8 are closed Stirrup.Each stirrup uses closed stirrup structure, improves the effect of stirrup banding, improves the effect of pullling to reinforcing bar.End Expansion loop hook structure is reinforced using welding when necessary.

As advanced optimizing for scheme, the first rectangle hoop 6, the second rectangle hoop 7 and 8 diameter of triangle u stirrup are 6- 8mm.Stirrup considers actual requirement, and too small stirrup is easily broken off, and excessive stirrup bending difficulty is big, and heavy workload is held Easily cause waste.Likewise, the selection of lacing wire 9 is consistent using stirrup.

Tool of the series of detailed descriptions listed above only for the feasible embodiment of the utility model Body explanation, they are all without departing from made by the utility model skill spirit not to limit the protection scope of the utility model Equivalent implementations or change should be included within the scope of protection of this utility model.

It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting Related claim.

In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiments being understood that.

Claims (10)

1. a kind of novel L-shaped shaped rc columns, the cylinder to be formed are combined using concrete and rebar, feature exists In the cylinder includes confluence (1) and two column limbs (2), and the confluence (1) is equipped with the first restraining structure, the column limb (2) it is equipped with the second restraining structure, is additionally provided with reinforcement restraining structure between the confluence (1) and two column limbs (2), it is described First restraining structure is connect by the reinforcement restraining structure with second restraining structure；

First restraining structure includes four middle part reinforcing bars (3) being arranged in the confluence (1), the middle part reinforcing bar It (3) is in rectangular arranged；

Second restraining structure includes several external reinforcing bars (4) of the setting in the column limb (2)；It further include several first rectangles Stirrup (6), first rectangle hoop (6) are set to the outside of the middle part reinforcing bar (3) and external reinforcing bar (4)；

The reinforcement restraining structure includes two stiffeners (5), several second rectangle hoops (7) and several triangle u stirrups (8), the stiffener (5) is located between the middle part reinforcing bar (3) and the external reinforcing bar (4), two external reinforcing bars (4) it is connect with a stiffener (5) by the triangle u stirrup (8), three middle part reinforcing bars (3) and two institutes Stiffener (5) are stated to connect by second rectangle hoop (7).

2. a kind of novel L-shaped shaped rc columns according to claim 1, which is characterized in that the external steel The even number root that muscle (4) is four or more, the every four external reinforcing bars (4) are in rectangular arranged, intersect and are equipped with several lacing wires (9).

3. a kind of novel L-shaped shaped rc columns according to claim 2, which is characterized in that add close to described Three middle part reinforcing bars (3) of strong reinforcing bar (5) are arranged on the inside of the second rectangle hoop (7) with two stiffeners (5), Two middle part reinforcing bars (3) and two stiffeners (5) are in four angles of second rectangle hoop (7), in addition A piece middle part reinforcing bar (3) is on the inside of the edge of second rectangle hoop (7).

4. a kind of novel L-shaped shaped rc columns according to claim 3, which is characterized in that the reinforcement steel Muscle (5) is located at the middle part of the limb wide direction of the column limb (2).

5. a kind of novel L-shaped shaped rc columns according to claim 4, which is characterized in that the cylinder Limb height and the wide ratio of limb are 2-3.

6. a kind of novel L-shaped shaped rc columns according to claim 5, which is characterized in that the triangle Stirrup (8) is equilateral triangular shape.

7. a kind of novel L-shaped shaped rc columns according to claim 1-6, which is characterized in that institute Stating vertical range of the external reinforcing bar (4) apart from the cylinder outer wall is 20-40mm.

8. a kind of novel L-shaped shaped rc columns according to claim 7, which is characterized in that first square The longitudinal pitch of u stirrup (6) is 80-200mm, and the longitudinal pitch of second rectangle hoop (7) is 80-200mm, described three The longitudinal pitch of angular stirrup (8) is 80-200mm.

9. a kind of novel L-shaped shaped rc columns according to claim 8, which is characterized in that first square U stirrup (6), the second rectangle hoop (7) and triangle u stirrup (8) are closed stirrup.

10. a kind of novel L-shaped shaped rc columns according to claim 9, which is characterized in that first square U stirrup (6), the second rectangle hoop (7) and triangle u stirrup (8) diameter are 6-8mm.