Multi-cavity steel plate combined shear wall footing connecting node and manufacturing method thereof
Technical Field
The invention relates to the technical field of building structure engineering, in particular to a multi-cavity steel plate combined shear wall footing connecting node and a manufacturing method thereof.
Background
The truss type multi-cavity combined structure fully utilizes the advantages of a steel structure and a concrete structure, and is flexible in building plane layout and strong in indoor space permeability. The truss type multi-cavity steel plate combined shear wall is one of matched products, has the advantages of high strength, light dead weight, strong energy consumption capability, excellent anti-seismic performance and the like, is high in standardization degree, can realize factory production, assembly construction and intelligent construction, has the best material-saving and land-saving effects, is green and energy-saving, and has excellent economic performance indexes and popularization values.
The truss type multi-cavity steel plate combined shear wall is a combined member which is formed by assembling outer double steel plates, an inner plane steel bar truss and rectangular steel pipes, is provided with a plurality of mutually communicated cavities and is formed by filling concrete into the cavities. The concrete in the cavity is communicated with each other, and the cooperative working capability of the steel and the concrete and the respective material performance advantages are fully exerted. The truss type multi-cavity steel plate composite shear wall and the foundation are required to achieve equal-strength effects, a part of wall bodies are directly embedded into the foundation in the prior art, and the part of the wall bodies, which is out of the ground, is connected with an upper structure. Although the method can well realize equal-strength connection between the wall body and the foundation, the difficult problems of difficult positioning and incapability of effectively ensuring construction precision exist in the construction process due to large member size, and potential safety hazards are buried for the engineering.
Disclosure of Invention
The invention mainly solves the defects of complex structure, high processing difficulty and short service life in the prior art, and provides the multi-cavity steel plate combined shear wall footing connecting node and the manufacturing method thereof. The problem of difficult construction location and leveling is solved. The construction efficiency is improved.
The technical problem of the invention is mainly solved by the following technical scheme:
the utility model provides a multi-chamber steel sheet compound shear wall basement connected node, includes node composite wall section, node composite wall section lower extreme be equipped with node support frame section, node support frame section and node composite wall section between be equipped with node boots beam segment. The joint boot beam section comprises a pair of longitudinal rib plates which are symmetrically distributed, a plurality of transverse rib plates which are equidistantly distributed are arranged on the longitudinal rib plates, an upper cover plate is arranged at the upper ends of the transverse rib plates, and a lower cover plate is arranged at the lower ends of the transverse rib plates. The node support frame section comprises a plurality of node leveling support leg assemblies which are distributed in an equidistant array mode, a plurality of longitudinal support rods which are distributed in an up-down equidistant mode are arranged on two sides of each node leveling support leg assembly, and a plurality of transverse support rods which are distributed in an equidistant mode are arranged at the lower ends of the longitudinal support rods.
Preferably, the node leveling supporting leg assembly comprises vertical supporting angle steel, an angle steel end plate is arranged at the lower end of the vertical supporting angle steel, and a screw rod in threaded sleeve connection with the angle steel end plate is arranged on the angle steel end plate.
Preferably, the upper end and the lower end of each angle steel end plate are respectively provided with an adjusting nut in threaded sleeve connection with the screw rod.
Preferably, the lower end of the screw is provided with a bottom plate integrally welded with the screw.
Preferably, the node composite wall section comprises a multi-cavity steel plate composite shear wall, outer attachment plates are arranged at the front end and the rear end of the lower portion of the multi-cavity steel plate composite shear wall, and end attachment plates are arranged at the left end and the right end of the lower portion of the multi-cavity steel plate composite shear wall.
A multi-cavity steel plate composite shear wall footing connecting node and a manufacturing method thereof comprise the following operation steps:
the first step is as follows: and respectively welding and forming the node combined wall section, the node shoe beam section and the node support frame section.
The second step is that: before installation, pouring the foundation and the cushion layer, and primarily leveling.
The third step: and testing the initial elevation of the node combined wall section through the level gauge, and calculating the flatness deviation value after comparing the initial elevation with the design elevation.
The fourth step: and respectively screwing the adjusting nuts of the node support frame sections corresponding to the positions exceeding the designed elevation downwards, and screwing the adjusting nuts of the node support frame sections corresponding to the positions lower than the designed elevation upwards until the flatness meeting the design requirement is reached.
Preferably, the method comprises the following steps of manufacturing the node combined wall section:
the method comprises the following steps: the outer flitch is provided with a plug welding hole, and the outer flitch and the multi-cavity steel plate combined shear wall are connected through girth welding and plug welding.
Step two: the end flitch is welded at the two ends of the multi-cavity steel plate composite shear wall to form a node composite wall section.
Preferably, the method comprises the following steps of manufacturing the joint shoe beam section:
the method comprises the following steps: and grouting holes are formed in the upper cover plate and the upper cover plate, and the positions of the grouting holes correspond to the cavities of the multi-cavity steel plate combined shear wall.
Step two: the transverse rib plates and the longitudinal rib plates are welded in a staggered mode and are welded and connected with the upper cover plate and the lower cover plate to form a joint boot beam section.
Preferably, the upper cover plate on the joint boot beam section is connected with the bottom of the joint composite wall section through welding. And the lower cover plate on the joint boot beam section is connected with the top of the joint support frame section through welding.
Preferably, the method comprises the following steps of:
the first step is as follows: and connecting the longitudinal support rod, the transverse support rod and the vertical support angle steel through fillet welds.
The second step is that: the angle welding seam at the lower end of the vertical supporting angle steel is connected with an angle steel end plate provided with an adjusting screw hole.
The third step: the bottom plate is welded to the lower end of the screw, the screw penetrates through the angle steel end plate, and meanwhile the upper end and the lower end of the angle steel end plate are screwed into the adjusting nut to form a node supporting frame section.
The invention can achieve the following effects:
compared with the prior art, the multi-cavity steel plate combined shear wall footing connecting node and the manufacturing method thereof have the characteristics of simple structure, convenience in processing, high structural strength and long service life. The problem of difficult construction location and leveling is solved. The construction efficiency is improved.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural diagram of the node composite wall segment of the present invention.
FIG. 3 is a schematic structural view of a nodal shoe beam segment of the present invention.
FIG. 4 is a schematic structural view of a nodal support frame segment of the present invention.
FIG. 5 is a schematic structural view of a nodal-level support foot assembly of the present invention.
In the figure: the node combined wall comprises a node combined wall section 1, a node shoe beam section 2, a node support frame section 3, an outer flitch 4, a multi-cavity steel plate combined shear wall 5, an end flitch 6, an upper cover plate 7, a longitudinal rib plate 8, a transverse rib plate 9, a lower cover plate 10, a node leveling support leg assembly 11, a longitudinal support rod 12, a transverse support rod 13, an angle steel end plate 14, vertical support angle steel 15, an adjusting nut 16, a screw rod 17 and a bottom plate 18.
Detailed Description
The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.
Example (b): as shown in fig. 1 to 5, a multi-cavity steel plate composite shear wall footing connecting node comprises a node composite wall section 1, wherein the node composite wall section 1 comprises a multi-cavity steel plate composite shear wall 5, outer attachment plates 4 are arranged at the front end and the rear end of the lower part of the multi-cavity steel plate composite shear wall 5, and end attachment plates 6 are arranged at the left end and the right end of the lower part of the multi-cavity steel plate composite shear wall 5. Node composite wall section 1 lower extreme is equipped with node support frame section 3, is equipped with node boots beam section 2 between node support frame section 3 and node composite wall section 1. The joint boot beam section 2 comprises a pair of longitudinal rib plates 8 which are symmetrically distributed, 7 transverse rib plates 9 which are equidistantly distributed are arranged on the longitudinal rib plates 8, an upper cover plate 7 is arranged at the upper ends of the transverse rib plates 9, and a lower cover plate 10 is arranged at the lower ends of the transverse rib plates 9. Node support frame section 3 includes 7 to being equidistant array distribution's node leveling supporting legs subassembly 11, and node leveling supporting legs subassembly 11 includes vertical support angle steel 15, and vertical support angle steel 15 lower extreme is equipped with angle steel end plate 14, is equipped with the screw rod 17 that cup joints with angle steel end plate 14 looks screw thread formula on the angle steel end plate 14. The lower end of the screw 17 is provided with a bottom plate 18 integrally welded with the screw 17. The upper end and the lower end of the angle steel end plate 14 are respectively provided with an adjusting nut 16 which is in threaded sleeve joint with a screw 17. Two sides of the node leveling supporting foot component 11 are respectively provided with 4 pairs of vertical supporting rods 12 which are distributed at equal intervals from top to bottom, and the lower end of each vertical supporting rod 12 is provided with 7 transverse supporting rods 13 which are distributed at equal intervals.
The manufacturing method of the multi-cavity steel plate combined shear wall foot connecting node comprises the following operation steps:
the first step is as follows: and respectively welding and forming the node combined wall section 1, the node shoe beam section 2 and the node support frame section 3.
The method comprises the following steps of manufacturing the node combined wall section 1:
the method comprises the following steps: the outer flitch 4 is provided with a plug welding hole, and the outer flitch 4 is connected with the multi-cavity steel plate composite shear wall 5 through girth welding and plug welding.
Step two: the end flitch 6 is welded at two ends of the multi-cavity steel plate composite shear wall 5 to form a node composite wall section 1.
The method comprises the following steps of manufacturing the joint shoe beam section 2:
the method comprises the following steps: and grouting holes are formed in the upper cover plate 7 and the upper cover plate 10, and the positions of the grouting holes correspond to the cavities of the multi-cavity steel plate combined shear wall 5.
Step two: the cross rib plates 9 and the longitudinal rib plates 8 are welded in a staggered mode and are connected with the upper cover plate 7 and the lower cover plate 10 in a welded mode to form the joint boot beam section 2.
And an upper cover plate 7 on the joint boot beam section 2 is connected with the bottom of the joint composite wall section 1 through welding. And the lower cover plate 10 on the joint boot beam section 2 is connected with the top of the joint support frame section 3 through welding.
The method comprises the following steps of manufacturing a node support frame section 3:
the first step is as follows: and connecting the longitudinal stay bar 12 and the transverse stay bar 13 with the vertical support angle steel 15 through fillet welds.
The second step is that: the angle welding seam at the lower end of the vertical supporting angle steel 15 is connected with an angle steel end plate 14 provided with an adjusting screw hole.
The third step: the lower end of the screw 17 is welded with a bottom plate 18, the screw 17 penetrates into the angle steel end plate 14, and meanwhile, the upper end and the lower end of the angle steel end plate 14 are screwed into the adjusting nuts 16 to the screw 17 to form the node support frame section 3.
The second step is that: before installation, pouring the foundation and the cushion layer, and performing primary leveling;
the third step: and testing the initial elevation of the node combined wall section 1 through a level gauge, and calculating the flatness deviation value after comparing the initial elevation with the design elevation.
The fourth step: and respectively screwing the adjusting nuts 16 of the node support frame sections 3 corresponding to the positions exceeding the designed elevation downwards, and screwing the adjusting nuts 16 of the node support frame sections 3 corresponding to the positions lower than the designed elevation upwards until the flatness meeting the design requirement is reached.
In conclusion, the multi-cavity steel plate combined shear wall footing connecting node and the manufacturing method thereof have the characteristics of simple structure, convenience in processing, high structural strength and long service life. The problem of difficult construction location and leveling is solved. The construction efficiency is improved.
The above description is only an embodiment of the present invention, but the structural features of the present invention are not limited thereto, and any changes or modifications within the scope of the present invention by those skilled in the art are covered by the present invention.