CN211816913U - Concrete dysmorphism post beam column node reinforced structure that shears - Google Patents

Concrete dysmorphism post beam column node reinforced structure that shears Download PDF

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Publication number
CN211816913U
CN211816913U CN202020132465.3U CN202020132465U CN211816913U CN 211816913 U CN211816913 U CN 211816913U CN 202020132465 U CN202020132465 U CN 202020132465U CN 211816913 U CN211816913 U CN 211816913U
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China
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shaped
steel
column
concrete
limb
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徐金俊
刘遵良
黄新良
骆朝辉
汪小鹏
毛德灿
陈宗平
万里
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Nanjing Engineering Construction Engineering Technology Co ltd
Zhejiang Hanlin Architectural Design Co ltd
Nanjing Tech University
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Nanjing Engineering Construction Engineering Technology Co ltd
Zhejiang Hanlin Architectural Design Co ltd
Nanjing Tech University
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Abstract

The utility model discloses a shearing-resistant reinforcing structure for a beam column joint of a concrete special-shaped column, wherein an L-shaped section column and a concrete beam form a connecting joint; the root of a concrete beam of the connecting node is anchored with U-shaped steel through a bolt, the bottom of a floor slab of the connecting node is anchored with L-shaped flat steel through a bolt, an internal corner of the connecting node is anchored with L-shaped angle steel through a bolt, and an external corner of the connecting node is anchored with dorsal limb angle steel through a bolt; the U-shaped steel and the L-shaped angle steel are connected into a rectangular unit frame through upper limb connecting pieces and lower limb connecting pieces, and the U-shaped steel and the back limb angle steel are connected into the rectangular unit frame through the upper limb connecting pieces and the lower limb connecting pieces; a square steel plate is embedded in the center of the rectangular unit frame in a drilling mode, and the square steel plate and the concrete special-shaped column are connected in a penetrating mode through high-strength bolts. The utility model has the characteristics of the atress is reasonable, the simple structure, the component processing of being convenient for, effectively improve concrete dysmorphism post and concrete beam connected node's shear resistance and anti-seismic performance.

Description

Concrete dysmorphism post beam column node reinforced structure that shears
Technical Field
The utility model belongs to the technical field of structural engineering, concretely relates to concrete dysmorphism post node shear reinforcement.
Background
The special-shaped column structure increases the building 'rate of housing' due to the homogenization of the column ridges by the filling walls, and has strong advantages in the field of modern residential buildings. Compared with a column with a rectangular section, the section form of the special-shaped column is characterized by L shape, T shape, cross shape and the like, and the phenomena of slender section of column limbs, crowded reinforcing steel bars in nodes and the like are caused, so that force transfer is complex. A large number of researches show that in the special-shaped column frame structure, the concrete beam column joint is a large link of the sudden change of the earthquake resistance, the insufficient shearing resistance of the joint is often a key link of the structural damage, and the special-shaped column frame structure is extremely fatal if scientific design and reinforcement and repair after shearing and cracking are not carried out. For the anti-seismic performance of further improvement concrete dysmorphism post structure and the ability of shearing of node, the utility model discloses an adopt shaped steel and steel sheet reinforced (rfd) mode to strengthen concrete dysmorphism post beam column node. The utility model discloses can provide a atress is reasonable, pass power clear and definite, simple structure and have higher shear capacity and anti-seismic performance's concrete dysmorphism post frame node.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a purpose is in order to solve the not enough problem of ability of shearing that exists among the well-known technique, provides a concrete dysmorphism post beam column node reinforced structure that shears, adopts shaped steel and steel sheet to consolidate concrete dysmorphism post, makes its node atress reasonable, pass power clear and definite, simple structure just has higher ability and anti-seismic performance of shearing.
The utility model adopts the technical proposal that: a shear-resistant reinforcing structure for a beam column joint of a concrete special-shaped column comprises an L-shaped section column, a T-shaped section column, a cross-shaped section column, a concrete beam and a floor slab;
the L-shaped section column and the concrete beam form a connecting node; the root of a concrete beam of the connecting node is anchored with U-shaped steel through a bolt, the bottom of a floor slab of the connecting node is anchored with L-shaped flat steel through a bolt, an internal corner of the connecting node is anchored with L-shaped angle steel through a bolt, and an external corner of the connecting node is anchored with dorsal limb angle steel through a bolt; the U-shaped steel and the L-shaped angle steel are connected into a rectangular unit frame through upper limb connecting pieces and lower limb connecting pieces, and the U-shaped steel and the back limb angle steel are connected into the rectangular unit frame through the upper limb connecting pieces and the lower limb connecting pieces;
the T-shaped cross-section column and the concrete beam form a connecting node, the root of the concrete beam of the connecting node is anchored with U-shaped steel through bolts, the bottom of a floor slab of the connecting node is anchored with L-shaped flat steel through bolts, the internal corner of the connecting node is anchored with L-shaped angle steel through bolts, and the outer side surface of the flange of the T-shaped cross-section column of the connecting node is anchored with a strip-shaped steel plate through bolts; the U-shaped steel and the L-shaped angle steel are connected into a rectangular unit frame through upper limb connecting pieces and lower limb connecting pieces, and the U-shaped steel and the strip-shaped steel plate are connected into the rectangular unit frame through the upper limb connecting pieces and the lower limb connecting pieces;
the cross-shaped section column and the concrete beam form a connecting node, the root of the concrete beam of the connecting node is anchored with U-shaped steel through bolts, the bottom of a floor slab of the connecting node is anchored with L-shaped flat steel through bolts, and the internal corner of the connecting node is anchored with L-shaped angle steel through bolts; the U-shaped steel and the L-shaped angle steel are connected into a rectangular unit frame through upper limb connecting pieces and lower limb connecting pieces;
a square steel plate is embedded in the center of the rectangular unit frame in a drilling mode, and the square steel plate and the concrete special-shaped column are connected in a penetrating mode through high-strength bolts; the square steel plates are connected with the intersection points of the rectangular unit frames in a welding mode through the oblique shear-resistant steel plates.
Preferably, the thicknesses of the U-shaped steel, the L-shaped flat steel, the L-shaped angle steel, the back limb angle steel, the strip-shaped steel plate, the shear-resistant steel plate and the upper and lower limb connecting pieces are all 5-15 mm.
Preferably, the width of the U-shaped steel should be 1 times the width of the concrete beam.
Preferably, the width of the L-shaped flat steel is 1 time of the thickness of the concrete special-shaped column limb.
Preferably, the width of the upper limb connecting piece and the lower limb connecting piece is 5-10 mm.
Preferably, the bolt is a high-strength bolt.
The utility model has the advantages that:
firstly), adopt the mode of punching to fix shaped steel and steel sheet, both convenient construction can guarantee to consolidate concrete structure under the condition of not destroying concrete structure again.
Secondly), the reinforced section steel and the steel plate of the concrete special-shaped column node greatly improve the shearing resistance and the pressure resistance of the concrete special-shaped column, and can greatly improve the mechanical property of a cracked concrete structure, thereby ensuring the safety of a building and prolonging the service life of the building.
Thirdly), the node is simple in reinforcing structure and can shorten the construction period.
To sum up, the utility model has the characteristics of the atress is reasonable, simple structure, the component processing of being convenient for, installation, can effectively improve concrete dysmorphism post and concrete beam connected node's ability of shearing and anti-seismic performance, be favorable to promoting that dysmorphism post structural system is using in the higher intensity district building of seismic fortification.
Drawings
Fig. 1-2 are schematic views of the shear-resisting and reinforcing structure of the L-shaped section column joint of the present invention;
fig. 3-4 are schematic views of the shear-resisting and reinforcing structure of the T-shaped section column joint of the present invention;
figure 5 is the utility model discloses cross section post node shear reinforcement structure sketch map.
In the figure: 1, L-shaped section column 2, concrete beam 3, floor 4, L-shaped flat steel 5, U-shaped section steel 6, L-shaped angle steel 7, U-shaped section steel 8, shear steel plate 9, lower limb connecting piece 10, upper limb connecting piece 11, high-strength bolt 12, square steel plate 13 and back limb angle steel.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the following detailed description.
As shown in fig. 1-5, a shear-resistant reinforcing structure for a beam-column joint of a concrete special-shaped column comprises an L-shaped section column 1, a T-shaped section column, a cross-shaped section column, a concrete beam and a floor slab;
the L-shaped section column 1 and the concrete beam 2 form a connecting node, the root of the concrete beam 2 of the connecting node is anchored with U-shaped section steel 5 by adopting a high-strength bolt 11, the bottom of a floor slab 3 of the connecting node is anchored with L-shaped flat steel 4 by adopting the high-strength bolt 11, the internal corner of the connecting node is anchored with L-shaped angle steel 6 by adopting the high-strength bolt 11, and the external corner of the connecting node is anchored with back limb angle steel 13 by adopting the high-strength bolt 11; the U-shaped steel 5 and the L-shaped angle steel 6 are connected into a rectangular unit frame through an upper limb connecting piece 10 and a lower limb connecting piece 9, and the U-shaped steel 5 and the back limb angle steel 13 are connected into the rectangular unit frame through the upper limb connecting piece 10 and the lower limb connecting piece 9;
the T-shaped cross-section column and the concrete beam form a connecting node, the root of the concrete beam of the connecting node is anchored with U-shaped steel by adopting high-strength bolts, the bottom of a floor slab of the connecting node is anchored with L-shaped flat steel by adopting high-strength bolts, the internal corner of the connecting node is anchored with L-shaped angle steel by adopting high-strength bolts, and the outer side surface of the flange of the T-shaped cross-section column of the connecting node is anchored with a strip-shaped steel plate by adopting high-strength bolts; the U-shaped steel and the L-shaped angle steel are connected into a rectangular unit frame through upper limb connecting pieces and lower limb connecting pieces, and the U-shaped steel and the strip-shaped steel plate are connected into the rectangular unit frame through the upper limb connecting pieces and the lower limb connecting pieces;
the cross-shaped section column and the concrete beam form a connecting node, the root of the concrete beam of the connecting node is anchored by a bolt to form U-shaped steel, the bottom of a floor slab of the connecting node is anchored by a high-strength bolt to form L-shaped flat steel, and the internal corner of the connecting node is anchored by a high-strength bolt to form L-shaped angle steel; the U-shaped steel and the L-shaped angle steel are connected into a rectangular unit frame through upper limb connecting pieces and lower limb connecting pieces;
a square steel plate 12 is embedded in the center of the rectangular unit frame in a drilling mode, and the square steel plate 12 is connected with the L-shaped section column 1 in a penetrating mode through a high-strength bolt 11; the square steel plates 12 are connected with the intersection point of the rectangular unit frame through the oblique shear steel plate 8 in a welding mode.
The thicknesses of the U-shaped steel, the L-shaped flat steel, the L-shaped angle steel, the back limb angle steel, the strip-shaped steel plate, the shear-resistant steel plate and the upper and lower limb connecting pieces are all 5-15 mm; the width of the L-shaped flat steel is 1 time of the thickness of the concrete special-shaped column limb; the width of the upper limb connecting piece and the width of the lower limb connecting piece are 5-10 mm.
The utility model discloses consolidate certain shaped steel and steel sheet to the outside of concrete dysmorphism post beam column node to improve its mechanical properties: the method mainly aims at further improving the shear reinforcement at the special-shaped column node; secondly originally practicing thrift steel, reducing the purpose of cost, making special-shaped post structure can popularize and apply in the high-rise building and the high earthquake intensity area's building, especially the high-rise building in the area more than 8 degrees of seismic fortification intensity, the utility model discloses the fracture of reforming transform and ordinary concrete special-shaped post adds the profound meaning inherently to old building.
The embodiments of the present invention are described in detail with reference to the drawings, but the present invention is not limited to the described embodiments. Various changes, modifications, substitutions and alterations to these embodiments will occur to those skilled in the art and are intended to be within the scope of the present principles and the spirit of the invention.

Claims (8)

1. The utility model provides a reinforced structure that shears of concrete dysmorphism post beam column node which characterized in that: the concrete beam comprises an L-shaped section column, a T-shaped section column, a cross-shaped section column, a concrete beam and a floor slab;
the L-shaped section column and the concrete beam form a connecting node; the root of a concrete beam of the connecting node is anchored with U-shaped steel through a bolt, the bottom of a floor slab of the connecting node is anchored with L-shaped flat steel through a bolt, an internal corner of the connecting node is anchored with L-shaped angle steel through a bolt, and an external corner of the connecting node is anchored with dorsal limb angle steel through a bolt; the U-shaped steel and the L-shaped angle steel are connected into a rectangular unit frame through upper limb connecting pieces and lower limb connecting pieces, and the U-shaped steel and the back limb angle steel are connected into the rectangular unit frame through the upper limb connecting pieces and the lower limb connecting pieces;
the T-shaped cross-section column and the concrete beam form a connecting node, the root of the concrete beam of the connecting node is anchored with U-shaped steel through bolts, the bottom of a floor slab of the connecting node is anchored with L-shaped flat steel through bolts, the internal corner of the connecting node is anchored with L-shaped angle steel through bolts, and the outer side surface of the flange of the T-shaped cross-section column of the connecting node is anchored with a strip-shaped steel plate through bolts; the U-shaped steel and the L-shaped angle steel are connected into a rectangular unit frame through upper limb connecting pieces and lower limb connecting pieces, and the U-shaped steel and the strip-shaped steel plate are connected into the rectangular unit frame through the upper limb connecting pieces and the lower limb connecting pieces;
the cross-shaped section column and the concrete beam form a connecting node, the root of the concrete beam of the connecting node is anchored with U-shaped steel through bolts, the bottom of a floor slab of the connecting node is anchored with L-shaped flat steel through bolts, and the internal corner of the connecting node is anchored with L-shaped angle steel through bolts; the U-shaped steel and the L-shaped angle steel are connected into a rectangular unit frame through upper limb connecting pieces and lower limb connecting pieces;
a square steel plate is embedded in the center of the rectangular unit frame in a drilling mode, and the square steel plate and the concrete special-shaped column are connected in a penetrating mode through high-strength bolts; the square steel plates are connected with the intersection points of the rectangular unit frames in a welding mode through the oblique shear-resistant steel plates.
2. The shear-resistant reinforcing structure for the beam-column joint of the concrete special-shaped column as claimed in claim 1, wherein: and the oblique shear-resistant steel plate is bonded with the surface of the special-shaped column by using structural adhesive.
3. The shear-resistant reinforcing structure for the beam-column joint of the concrete special-shaped column as claimed in claim 1, wherein: the anchoring of the screw rod of the high-strength bolt in the concrete special-shaped column and the concrete beam is carried out by adopting bar planting glue.
4. The shear-resistant reinforcing structure for the beam-column joint of the concrete special-shaped column as claimed in claim 1, wherein: the thicknesses of the U-shaped steel, the L-shaped flat steel, the L-shaped angle steel, the back limb angle steel, the strip-shaped steel plate, the shear-resistant steel plate and the upper and lower limb connecting pieces are all 5-15 mm.
5. The shear-resistant reinforcing structure for the beam-column joint of the concrete special-shaped column as claimed in claim 1, wherein: the width of the U-shaped steel is 1 time of that of the concrete beam.
6. The shear-resistant reinforcing structure for the beam-column joint of the concrete special-shaped column as claimed in claim 1, wherein: the width of the L-shaped flat steel is 1 time of the thickness of the concrete special-shaped column limb.
7. The shear-resistant reinforcing structure for the beam-column joint of the concrete special-shaped column as claimed in claim 1, wherein: the width of the upper limb connecting piece and the width of the lower limb connecting piece are 5-10 mm.
8. The shear-resistant reinforcing structure for the beam-column joint of the concrete special-shaped column as claimed in claim 1, wherein: the bolts are high-strength bolts.
CN202020132465.3U 2020-01-20 2020-01-20 Concrete dysmorphism post beam column node reinforced structure that shears Active CN211816913U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020132465.3U CN211816913U (en) 2020-01-20 2020-01-20 Concrete dysmorphism post beam column node reinforced structure that shears

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020132465.3U CN211816913U (en) 2020-01-20 2020-01-20 Concrete dysmorphism post beam column node reinforced structure that shears

Publications (1)

Publication Number Publication Date
CN211816913U true CN211816913U (en) 2020-10-30

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