Summary of the invention
For defective of the prior art, the purpose of this utility model provides a kind of buckling-restrained bracing member.
According to an aspect of the present utility model, a kind of buckling-restrained bracing member is provided, it is characterized in that, comprise: core part and supporting base end portion node, wherein the core part is comprised of central layer, at least one end of described supporting base end portion node has a groove that partly adapts with described core, the described groove of described core partial insertion, thus connect described core part and described supporting base end portion node.
Preferably, described core part is welded as a whole with the groove of described supporting base end portion node.
Preferably, described core partly comprises insertion section and insertion section not, and described groove is inserted in described insertion section, and the section area of described insertion section is greater than the section area of described not insertion section.
Preferably, described insertion section preferably is connected transition by the circular arc of an indent with described not insertion section.
Preferably, the cross section of described core part is any in the shapes such as cross and in-line.
Preferably, described core part is made by in the materials such as Q195 steel, Q235 steel, LY100 steel, LY160 steel, LY225 steel and other low surrender steel any.
Preferably, described supporting base end portion node is made by in the materials such as Q345 steel, Q235 steel, Q460 steel and other high strength steels any.
Preferably, described buckling-restrained bracing member comprises a confinement structure, and described confinement structure comprises a sleeve at least, and described sleeve is placed in the outside and its two ends of described core part to be continued to stretch out until entangle the part of described supporting base end portion node.
Preferably, described confinement structure also comprises packing material, and described packing material is filled between described sleeve and the described core part at least in part.
Preferably, described packing material is made without shrinking in the material such as composite mortar any by high strength non-shrinkage concrete and high strength.
Preferably, the end, two ends of described confinement structure also at least respectively is provided with a head plate, and the end cross-sectional size of described head plate and described sleeve part adapts, and makes described packing material be enclosed in described sleeve inner.
Preferably, be provided with at least an antiskid plate on the described core part, described antiskid plate is preferably square, and it is vertically installed in described not insertion section, and the part of described antiskid plate is inserted in the described packing material.
Preferably, also have at least one section between described supporting base end portion node and the described packing material and reserve compression stroke.
The utility model is by providing a kind of buckling-restrained bracing member, and its technical advantage is:
1. adopt high-strength steel as the support node part, reduced steel using amount, reduced support outward appearance demand;
2. adopt grooved to peg graft, reduced the central layer waste material;
3. adopt arc transition to avoid stress to concentrate the central layer phenomenon of rupture that causes;
4. extend to the mode of a node part by sleeve, strengthened the support bending resistance, with resistance to overturning.
The specific embodiment
The utility model provides a kind of buckling-restrained bracing member, claims again TJ II type buckling restrained brace, and it adopts high-strength steel as the support node part, has reduced steel using amount, has reduced support outward appearance demand; The employing grooved is pegged graft, and has reduced the central layer waste material; Adopt arc transition to avoid stress to concentrate the central layer phenomenon of rupture that causes; And extend to the mode of a node part by sleeve, strengthened the support bending resistance, with resistance to overturning.
Fig. 1 shows according to the first embodiment of the present utility model, described buckling-restrained bracing member Facad structure schematic diagram.In the present embodiment, described buckling-restrained bracing member mainly is comprised of core part 1, supporting base end portion node 2, outer sleeve 3, packing material 4 and head plate 5.Particularly, described core part 1 is welded by one or more central layer, and the cross section of described supporting base end portion node 2 preferably is cross, and its cross sectional area is greater than the cross sectional area of described core part 1.Further, there is a groove 21 at described supporting base end portion node 2 corresponding described core parts 1 place, one end of described core part 1 can insert described groove 21, and be welded as a whole with described supporting base end portion node 2, similarly, the described core part 1 ground other end also can insert another described supporting base end portion node 2 ground grooves 21 places, and be welded as a whole with another described supporting base end portion node 2, namely described in the case core part 1 is the two ends symmetry, its two ends are connected with two described supporting base end portion nodes 2 respectively, and it will not go into details herein.
More specifically, according to embodiment illustrated in fig. 1, in the present embodiment, described core part 1 is divided into described insertion section 11 and described not insertion section 12, the part that groove 21 places of two described supporting base end portion nodes 2 are inserted respectively at the two ends of described core part 1 is described insertion section 11, and one section part of not inserting is described not insertion section 12 in the middle of it.Further, described insertion section 11 is welded in the groove of described supporting base end portion node 2, thereby described core part 1 is connected with described supporting base end portion node 2, make described core part 1 and described supporting base end portion node 2 can look in use as a whole (can with reference to figure 2), do not repeat them here.
Further, with reference to embodiment illustrated in fig. 1, the cross sectional area of described insertion section 11 is greater than the cross sectional area of described not insertion section 12, and namely described insertion section 11 need be carried out transition with described not insertion section 12 and was connected this moment.In a preference, pass through an interior lowland arc transition between described insertion section 11 and the described not insertion section 12.Those skilled in the art understand, the design of described circular arc can make described core part 1 load smooth transition to described supporting base end portion node 2 places, the stress concentration phenomenon of the grooved grafting conversion portion of avoiding prevents that described core part 1 from tearing in lap-joint, and it will not go into details herein.
According to embodiment illustrated in fig. 1, further, in the present embodiment, preferably, described core part 1 is cross with the cross section of described supporting base end portion node 2, and described core part 1 and described supporting base end portion node 2 are selected two kinds of different Steel materials.Particularly, described core part 1 is preferably used some domestic mild steel, Q195 steel for example, the Q235 steel, the LY100 steel, LY160 steel and LY225 steel etc. are low surrender steel similarly, and described supporting base end portion node is because the load that need bear is larger, therefore, it preferably adopts some high strength steels, such as Q345 steel or Q235 steel or Q460 steel etc., those skilled in the art understand, the mode that adopts this selection is a kind of more reasonably to the Selection of steel mode, it is the use amount of saving steel significantly, thereby has played the effect that economizes on resources, and it will not go into details herein.
Further, the insertion section 11 of described core part 1 is linked to be as a whole with the mode of the groove 21 places welding of described supporting base end portion node 2, and the outside of described core part 1 is also overlapped a confinement structure 6, and described confinement structure 6 is comprised of described outer sleeve 3 and described packing material 4.Particularly, described outer sleeve 3 is enclosed within outside and its two ends of described core part 1 and extends to the direction of described supporting base end portion node 2, until entangle the part of described supporting base end portion node 2.More specifically, described outer sleeve 3 coats described core part 1, described core part 1 and the joint of described supporting base end portion node 2 and the part of described supporting base end portion node 2 simultaneously.Described packing material 4 is between described outer sleeve 3 and described core part 1, and it is used for described core part 1 generation restraint forces radially, and preferably, described packing material 4 selects high strength non-shrinkage concrete or high strength without materials such as contraction composite mortars.
Further, the two ends of described outer sleeve 3 also respectively are provided with a head plate 5, the face area of the shape of described head plate 5, size and described outer sleeve 3 adapts, and it can seal the whole port of described outer sleeve 3, and welds mutually with the port of described outer sleeve 3.Described head plate 5 is used for described packing material 4 is enclosed in the inside of described outer sleeve 3, and it will not go into details herein.
Further, in the present embodiment, described supporting base end portion node 2 is provided with to be also had one section and reserves compression stroke 16 between an end of groove 21 and the described packing material 4, described reservation compression stroke 16 is arranged at the inside of described outer sleeve 3, it is used in the situation that described buckling-restrained bracing member bearing load, reserve the space of one section distortion when giving described buckling-restrained bracing member pressurized, those skilled in the art understand, the material such as some plastic foams preferably can be filled to isolate described supporting base end portion node 2 and described packing material 4 by described reservation compression stroke 16 places, play the effect of headspace, it will not go into details herein.
Fig. 2 shows according to the first embodiment of the present utility model, described buckling-restrained bracing member Facad structure schematic diagram.In order more clearly to show the syndeton between core part 1 described in the described buckling-restrained bracing member and the described supporting base end portion node 2, Fig. 2 has removed described confinement structure 6, shows separately the structural representation of described core part 1 and described supporting base end portion node 2.Particularly, in the present embodiment, described core part 1 is preferably cross, be that described core part 1 is formed by two central layer vertical weldings, one end of described supporting base end portion node 2 is provided with a groove 21, the insertion section 11 of one end of the shape of described groove 21, size and described core part 1 adapts, make described core part 1 can insert described groove 21, and then described insertion section 11 and described groove 21 welding, make described core part 1 be connected as a whole with described supporting base end portion node 2.Further, described core part 1 mid portion is insertion section 12 not, and in the present embodiment, described insertion section 11 is different from the area of the cross section of described not insertion section 12.Particularly, the cross sectional area of described insertion section 11 is greater than the cross sectional area of described not insertion section 12, and the arc transition by an indent preferably between described insertion section 11 and the described not insertion section 12, to play the purpose of saving Steel material.And change in the example at one, can be by another kind of mode transition for example in the mode that is connected by a slope between described insertion section 11 and the described not insertion section 12 between described insertion section 11 and the described not insertion section 12, those skilled in the art understand, described variation example can be achieved in conjunction with embodiment illustrated in fig. 1 equally, does not repeat them here.
Further, the centre position of described core part 1 also has an antiskid plate 15, and namely described antiskid plate 15 is arranged on the described not insertion section 12, thus fixing described core part 1, specifically can be with reference to figure 3, it will not go into details herein.
Fig. 3 shows according to the first embodiment of the present utility model, the cross-sectional view at described buckling-restrained bracing member B-B place in Fig. 1.Particularly, in the present embodiment, described core part 1 is cross, and its external surface coats one deck without bonding isolated material 17, described core part 1 bonds isolated material 17 by described packing material 4 constraint that coats with described nothing, and described outer sleeve 3 is placed in the outside of described packing material 4 again., it will be appreciated by those skilled in the art that described nothing bonding isolated material 17 is used for isolating described core part 1 and described packing material 4, described packing material 4 is not directly contacted with described core part 1, do not repeat them here.
Further, in the present embodiment, at least also be provided with an antiskid plate 15 on the described core part 1, described antiskid plate 15 is used for fixing described core part 1, prevents that described core part 1 from producing the move left and right on the horizontal direction in described packing material 4.More specifically, preferably, as shown in the figure, described antiskid plate 15 is one foursquare tabular, it vertically is arranged on the described not insertion section 12 (can simultaneously with reference to figure 1 or elevation shown in Figure 2), the part of described antiskid plate 15 is stuck among the described packing material 4, and described core part 1 is fixed.It will be appreciated by those skilled in the art that described antiskid plate 15 preferably adopts some common in the market antiskid plates, it can reduce cost, does not repeat them here.
According to embodiment illustrated in fig. 3, further, change in the example at some, described antiskid plate 15 also can not be described foursquare.Particularly, change in the example at one, described antiskid plate 15 can be circular.Change in the example at another, described antiskid plate 15 can be leg-of-mutton.And change in the example at another, described antiskid plate 15 can also be rectangle.It will be appreciated by those skilled in the art that these change example and all can be achieved in conjunction with embodiment illustrated in fig. 3, it will not go into details herein.
Further, in a preference, described antiskid plate 15 preferably is arranged at the centre position of described not insertion section 12.And change in the example at one, described antiskid plate 15 also can be arranged on the two ends of described not insertion section 12, and namely near the position of described insertion section 11, those skilled in the art understand, described variation example also can be achieved in conjunction with embodiment illustrated in fig. 3, and it will not go into details herein.
Fig. 4 shows according to the first embodiment of the present utility model, the cross-sectional view at described buckling-restrained bracing member C-C place in Fig. 1.Particularly, in the present embodiment, described core part 1 is connected with described supporting base end portion node 2, and weld mutually with described groove 21 described insertion section 11.At this moment, the external surface of described supporting base end portion node 2 also has one deck described without bonding isolated material 17, it is surrounded without bonding isolated material 17 by described with described insertion section 11, described packing material 4 is in the described outside without bonding isolated material 17, the outside of described packing material 4 is overlapped again described outer sleeve 3, thereby form a whole described buckling-restrained bracing member, those skilled in the art understand, in the case, the described effect of playing too the described supporting base end portion node 2 of isolation and described packing material 4 without bonding isolated material 17, it will not go into details herein.
Further, according to embodiment illustrated in fig. 4, in a preference of the present embodiment, described core part 1 is that two central layer vertical weldings form, namely the cross section of described core part 1 is cross at this moment, correspondingly, described groove 21 is cross with the insertion section 11 of described core part 1 adaptably, and its size also adapts with described insertion section 11.And in a variation example of the present embodiment, described core part 1 also can be made of a central layer, namely this moment described core part 1 the cross section be yi word pattern (can with reference to figure 6), it is criss-cross groove 21 that the core part 1 of described yi word pattern also can be inserted described cross section.Further, change in the example at another, the cross section of described core part 1 can be yi word pattern, and the groove 21 on the described supporting base end portion node 2 can also be the yi word pattern groove that size and described core part 1 adapt, those skilled in the art understand, these variation examples all can be achieved in conjunction with embodiment illustrated in fig. 4, and it will not go into details herein.
Fig. 5 shows according to the first embodiment of the present utility model, the cross-sectional view at described buckling-restrained bracing member D-D place in Fig. 1.Particularly, in the present embodiment, described buckling-restrained bracing member is the cross section of described supporting base end portion node 2 at the D-D place of Fig. 1, at this moment namely, the two ends of described supporting base end portion node 2 there is no described confinement structure 6, can find out clearly also that from Fig. 5 the cross section of described supporting base end portion node 2 is cross, its section area is larger than the cross sectional area of described core part, does not repeat them here.
Further, with reference to embodiment illustrated in fig. 5, described outer sleeve 3 entangles the part of described supporting base end portion node 2, namely this moment described supporting base end portion node still some is in outside the described outer sleeve.It will be appreciated by those skilled in the art that described supporting base end portion node also is appreciated that as by the two ends end face that prolongs and protrude described outer sleeve 3 in the described outer sleeve 3.Therefore, be understandable that, the corresponding position should be provided with the opening 51 that a shape, size and described supporting base end portion node 2 adapt on the described head plate 5, makes described supporting base end portion node 2 can pass described opening 51, does not repeat them here.
Fig. 6 shows according to the second embodiment of the present utility model, the Facad structure schematic diagram of described buckling-restrained bracing member.The present embodiment can be understood as the variation example of above-mentioned Fig. 1.Particularly, in the present embodiment, described core part 1 is yi word pattern, the cross section that described core part 1 can be inserted described supporting base end portion node 2 equally is in the criss-cross groove 21, change in the example at one, the cross section of described supporting base end portion node 2 still is cross and the shape of cross section of described groove 21 can be the in-line that adapts with described core part 1.Described variation example can be achieved in conjunction with embodiment illustrated in fig. 6 equally, and it will not go into details herein.
Further, in the present embodiment, with above-mentioned Fig. 1 similarly, the core part 1 of described yi word pattern also is welded in described groove 21 places with described supporting base end portion node 2, arc transition by a bit of indent between the core part 1 of described yi word pattern and the described supporting base end portion node 2, and the outside of described core part 1 is also coated by a confinement structure 6, described confinement structure 6 extends to the outside of described supporting base end portion node 2, wrap up simultaneously the part of described supporting base end portion node 2, the two ends end face of described outer sleeve 3 respectively has a head plate 5 that the packing material 4 in the described confinement structure 6 is enclosed in the described outer sleeve 3.Further, described antiskid plate 15 is vertically installed on the described not insertion section 12.The core part 1 that it will be appreciated by those skilled in the art that described yi word pattern can be achieved in conjunction with embodiment illustrated in fig. 1 equally, and it will not go into details herein.
To embodiment illustrated in fig. 6, it will be appreciated by those skilled in the art that the assemble method of described buckling-restrained bracing member is in conjunction with Fig. 1: (1) is to be described core part 1 with two central layer vertical weldings first in the criss-cross situation in described core part 1; (2) weld mutually with the groove 21 of the described supporting base end portion node 2 of described core part 1 insertion and with described supporting base end portion node 2; (3) with the described external surface that sticks on described core part 1 and described supporting base end portion node 2 without bonding isolated material 17; (4) described outer sleeve 3 is placed in the outside of described core part 1 and described supporting base end portion node 2; (5) end of described head plate 5 with described outer sleeve 3 welded and the opening 51 of described supporting base end portion node 2 with described head plate 5 welded; (6) end of packing material 4 from the opening of described outer sleeve 3 poured into; (7) opening one end with described outer sleeve 3 welds with another piece head plate 5.
Above specific embodiment of the utility model is described.It will be appreciated that, the utility model is not limited to above-mentioned specific implementations, and those skilled in the art can make various distortion or modification within the scope of the claims, and this does not affect flesh and blood of the present utility model.