CN114033033A - Reinforced concrete beam column-profile steel node combined structure and construction method thereof - Google Patents
Reinforced concrete beam column-profile steel node combined structure and construction method thereof Download PDFInfo
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- CN114033033A CN114033033A CN202111343668.2A CN202111343668A CN114033033A CN 114033033 A CN114033033 A CN 114033033A CN 202111343668 A CN202111343668 A CN 202111343668A CN 114033033 A CN114033033 A CN 114033033A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 565
- 239000010959 steel Substances 0.000 title claims abstract description 565
- 239000011150 reinforced concrete Substances 0.000 title claims abstract description 238
- 238000010276 construction Methods 0.000 title claims abstract description 25
- 238000003466 welding Methods 0.000 claims abstract description 123
- 230000002787 reinforcement Effects 0.000 claims description 19
- 239000003292 glue Substances 0.000 claims description 14
- 239000004567 concrete Substances 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 4
- 230000008901 benefit Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 2
- 210000000683 abdominal cavity Anatomy 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
- E04B1/21—Connections specially adapted therefor
- E04B1/215—Connections specially adapted therefor comprising metallic plates or parts
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
- E04B1/5825—Connections for building structures in general of bar-shaped building elements with a closed cross-section
- E04B1/5831—Connections for building structures in general of bar-shaped building elements with a closed cross-section of substantially rectangular form
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/025—Structures with concrete columns
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Abstract
The utility model provides a reinforced concrete beam column-shaped steel node integrated configuration, including the reinforced concrete roof beam, reinforced concrete column and shaped steel node, the shaped steel node is integral node structure, the shaped steel node includes cross shaped steel stand and four I shaped steel crossbeams, four I shaped steel crossbeams are perpendicular and as an organic whole through the fillet weld welding with four flange plates of cross shaped steel stand respectively, the assembly end of four I shaped steel crossbeams all is provided with vertical assembly steel sheet, the pre-buried first high strength bolt that has a plurality of roots of reinforced concrete beam's assembly end, the assembly end of cross shaped steel stand is provided with horizontal assembly steel sheet, the pre-buried a plurality of second high strength bolts that has of assembly end of reinforced concrete column. The section steel nodes are assembled and connected with the reinforced concrete beam column, plastic hinge zones are clear, the toughness of the nodes is improved, the anti-seismic performance is enhanced, the steel reinforced concrete beam column can be quickly repaired after an earthquake, the anti-seismic performance, the safety performance and the post-earthquake repairing performance of residential buildings, public buildings and the like can be effectively improved, the cost is low, and the construction is convenient.
Description
Technical Field
The invention relates to the technical field of buildings, in particular to a reinforced concrete beam column-section steel node combined structure and a construction method thereof.
Background
The building earthquake-resistant design specification GB 50011-2010 suggests that the earthquake-resistant performance design of the building structure correctly and reasonably reflects the transmission path of the earthquake action. Under the action of an earthquake, the traditional reinforced concrete beam-column joint usually causes plastic hinge damage to a reinforced concrete upright column or a reinforced concrete beam close to the joint due to a bending damage mode, and meanwhile, plastic hinge partitions of the reinforced concrete upright column and the reinforced concrete beam at the joint are unclear. At present, the assembled structure is connected at the joint of the member nodes through grouting, the quality control of the nodes is not facilitated, certain maintenance time is required, and the construction period of the project is prolonged to a certain extent.
Disclosure of Invention
The invention aims to provide a reinforced concrete beam column-profile steel node combined structure and a construction method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
a reinforced concrete beam column-profile steel node combined structure comprises a reinforced concrete beam, a reinforced concrete column and profile steel nodes, wherein the profile steel nodes are of an integral node structure and comprise cross-shaped profile steel stand columns and four I-shaped profile steel beams, the four I-shaped profile steel beams are arranged around the cross-shaped profile steel stand columns in a rectangular array, the four I-shaped profile steel beams are respectively vertical to four flange plates of the cross-shaped profile steel stand columns and welded into a whole through fillet welds, the assembling ends of the four I-shaped profile steel beams are respectively provided with vertical assembling steel plates, the vertical assembling steel plates are vertical to the I-shaped profile steel beams, the vertical assembling steel plates are welded into a whole with upper flange plates, web plates and lower flange plates of the I-shaped profile steel beams through fillet welds, the assembling ends of the reinforced concrete beam are pre-embedded with a plurality of horizontally arranged first high-strength bolts and are fastened and assembled and connected with the vertical assembling steel plates through the first high-strength bolts, the assembly end of reinforced concrete roof beam and the assembly end of I shaped steel crossbeam pass through first rectangle steel sheet welded assembly connection, the assembly end of cross shaped steel stand is provided with horizontal assembly steel sheet, horizontal assembly steel sheet is perpendicular with cross shaped steel stand, horizontal assembly steel sheet passes through the web and the four flange plates welding of fillet weld and cross shaped steel stand as an organic whole, the pre-buried second high strength bolt that has a plurality of vertical settings of assembly end of reinforced concrete column and pass through each second high strength bolt fastening assembly connection with horizontal assembly steel sheet, the assembly end of reinforced concrete column and the assembly end of cross shaped steel stand pass through second rectangle steel sheet welded assembly connection.
The two sides of a web plate of the I-shaped steel cross beam are provided with a vertical stiffening rib steel plate at the connecting position of the I-shaped steel cross beam and a flange plate of the cross-shaped steel upright post, the two vertical stiffening rib steel plates are symmetrical about the web plate of the I-shaped steel cross beam and are positioned between the upper side flange plate and the lower side flange plate of the I-shaped steel cross beam, the vertical stiffening rib steel plates are respectively welded and connected with the inner sides of the upper side flange plate and the lower side flange plate of the I-shaped steel cross beam and the outer side of the flange plate of the cross-shaped steel upright post through fillet welds, the two sides of the web plate of the cross-shaped steel upright post are respectively provided with a first horizontal stiffening rib steel plate at the corresponding positions of the upper side flange plate and the lower side flange plate of the I-shaped steel cross beam, and the first horizontal stiffening rib steel plates are respectively welded and connected with the inner sides of the flange plates of the cross-shaped steel upright post and the surface of the web plate of the cross-shaped steel upright post through fillet welds;
and the middle parts of two sides of a web plate of the I-shaped steel beam are respectively provided with a second horizontal stiffening rib steel plate at the assembly end position of the I-shaped steel beam, and the second horizontal stiffening rib steel plates are respectively welded and connected with the surface of the web plate of the I-shaped steel beam and the inner side surface of the vertical assembly steel plate through fillet welds.
The upper side and the lower side of the assembly end of the reinforced concrete beam are both fixedly provided with a horizontal welding steel plate in a parallel pre-embedded manner, one side of the two horizontal welding steel plates close to the assembly end of the reinforced concrete beam is flush with the end surface of the assembly end of the reinforced concrete beam, the outer side of the upper horizontal welding steel plate is flush with the upper side of the reinforced concrete beam, the outer side of the lower horizontal welding steel plate is flush with the lower side of the reinforced concrete beam, the inner sides of the two horizontal welding steel plates are both welded with stirrups or constructional reinforcements in the reinforced concrete beam, the first rectangular steel plate is horizontally arranged and is vertically arranged at intervals, the first rectangular steel plate at the upper side is arranged above the connecting position of the assembly end of the reinforced concrete beam and the assembly end of the I-shaped steel beam, and the first rectangular steel plate at the lower side is arranged below the connecting position of the assembly end of the reinforced concrete beam and the assembly end of the I-shaped steel beam, the first rectangular steel plate on the upper side is welded with the horizontal welding steel plate on the upper side and the outer side surface of the upper side flange plate of the I-shaped steel beam through fillet welds respectively, and the first rectangular steel plate on the lower side is welded with the horizontal welding steel plate on the lower side and the outer side surface of the lower side flange plate of the I-shaped steel beam through fillet welds respectively;
the four equal parallel pre-buried fixed vertical welding steel plates that are provided with in side of the assembly end of reinforced concrete column, a side of the assembly end of reinforced concrete column that four vertical welding steel plates are close to all flushes with the assembly end terminal surface of reinforced concrete column, the lateral surface of four vertical welding steel plates flushes with the corresponding side of reinforced concrete column respectively, the medial surface of four vertical welding steel plates all with stirrup or construction steel bar welding in the reinforced concrete column, the vertical setting of second rectangle steel plate and rectangle array set up four, four second rectangle steel plates correspond the setting respectively around the assembly end of reinforced concrete column and the assembly end connected position of cross shaped steel column and respectively with the four flange boards one-to-one corresponding parallel arrangement of cross shaped steel column, every second rectangle steel plate all passes through the angle seam welding with corresponding vertical welding steel plate and the corresponding flange board lateral surface of cross shaped steel column.
The end face of the assembling end of the reinforced concrete beam, the outer side face of the vertical assembling steel plate, the end face of the assembling end of the reinforced concrete column and the outer side face of the horizontal assembling steel plate are respectively and uniformly coated with building structure glue or cementing glue;
a plurality of first circular bolt holes corresponding to the first high-strength bolts are formed in the vertical assembling steel plate, one end, extending out of the reinforced concrete beam, of each first high-strength bolt correspondingly penetrates through each first circular bolt hole in the vertical assembling steel plate and is in threaded connection with a first fastening nut, and a steel gasket sleeved on the first high-strength bolts is tightly clamped between the first fastening nut and the vertical assembling steel plate;
the horizontal assembly steel plate is provided with a plurality of second circular bolt holes corresponding to the second high-strength bolts, one end of each second high-strength bolt, extending out of the reinforced concrete column, correspondingly penetrates through each second circular bolt hole in the horizontal assembly steel plate respectively and is in threaded connection with a second fastening nut, and a steel gasket sleeved on the second high-strength bolts is tightly clamped between the second fastening nuts and the horizontal assembly steel plate.
The rigidity of the assembling end of the reinforced concrete beam is matched with that of the assembling end of the I-shaped steel beam, and the rigidity of the assembling end of the reinforced concrete column is matched with that of the assembling end of the cross-shaped steel column;
the assembling end of the reinforced concrete beam and the assembling end of the reinforced concrete column are both formed by pouring concrete of C40 or above;
the length of the I-shaped steel cross beam and the length of the upper section and the length of the lower section of the cross-shaped steel upright column at the position connected with the I-shaped steel cross beam are not less than the length of the plastic hinge.
A construction method of a reinforced concrete beam column-section steel node combined structure comprises the following concrete construction steps:
(1) binding a reinforced concrete beam and a steel reinforcement framework of a reinforced concrete column in a factory, welding each first high-strength bolt with the steel reinforcement framework at the assembly end of the reinforced concrete beam along the axis direction of the steel reinforcement framework of the reinforced concrete beam, welding each second high-strength bolt with the assembly end of the steel reinforcement framework of the reinforced concrete column along the axis direction of the steel reinforcement framework of the reinforced concrete column, welding a horizontal welding steel plate at the corresponding positions of the outer surfaces of the upper side and the lower side stirrups or the constructional steel bars at the assembly end of the reinforced concrete beam, and welding a vertical welding steel plate at the corresponding positions of the outer surfaces of the four side stirrups or the constructional steel bars at the assembly end of the reinforced concrete column;
(2) pouring concrete in a factory to manufacture a reinforced concrete beam and a reinforced concrete column, and maintaining for 28 days;
(3) manufacturing section steel nodes in a factory;
(4) fixedly assembling and connecting the assembling end of the reinforced concrete column with the assembling end of the cross-shaped steel column of the section steel node;
(5) and fixedly assembling and connecting the assembling end of the reinforced concrete beam with the assembling end of the I-shaped steel beam of the section steel node.
The step (1) is specifically as follows: after the reinforced concrete beam and the reinforced concrete column are bound in a factory, the reserved exposed length of one end, with a thread, of each first high-strength bolt is determined, each first high-strength bolt is arranged along the axis direction of the reinforced concrete beam, the other end of each first high-strength bolt is tightly attached to and welded with the reinforced concrete beam at the assembly end, the reserved exposed length of one end, with a thread, of each second high-strength bolt is determined, each second high-strength bolt is arranged along the axis direction of the reinforced concrete column, the other end of each second high-strength bolt is tightly attached to and welded with the reinforced concrete column at the assembly end, the inner side faces of two horizontal welding steel plates are welded with stirrups or constructional reinforcements in the reinforced concrete beam, and one side edge, close to the assembly end of the reinforced concrete beam, of the two horizontal welding steel plates is welded with the reinforced concrete beam after concrete is poured The assembly end terminal surface of roof beam flushes, the lateral surface of the horizontal welding steel sheet of upside flushes with the upside of the reinforced concrete beam after concreting, the lateral surface of the horizontal welding steel sheet of downside flushes with the downside of the reinforced concrete beam after concreting, the medial surface with four vertical welding steel sheets all flushes with stirrup or constructional steel bar welding in the reinforced concrete column, make a side of the assembly end of the reinforced concrete column that four vertical welding steel sheets are close to all flush with the assembly end terminal surface of the reinforced concrete column after concreting, the lateral surface of four vertical welding steel sheets flushes with the corresponding side of the reinforced concrete column after concreting respectively.
The step (3) is specifically as follows: prefabricating a cross-shaped steel stand column: the cross-shaped steel upright post is formed by welding I-shaped steel and two T-shaped steel, the two T-shaped steel are respectively arranged on two sides of a web plate of the I-shaped steel along the axial direction of the I-shaped steel, and the web plate of the T-shaped steel is welded on the web plate of the I-shaped steel through butt welding seams or fillet welding seams;
arranging four I-shaped steel cross beams around a cross-shaped steel stand column in a rectangular array, wherein the four I-shaped steel cross beams are respectively perpendicular to four flange plates of the cross-shaped steel stand column and welded into a whole through fillet weld, then welding a vertical assembly steel plate at the assembly ends of the four I-shaped steel cross beams through fillet weld, and welding a horizontal assembly steel plate at the assembly ends of the cross-shaped steel stand column through fillet weld;
the two sides of a web plate of the I-shaped steel cross beam are respectively provided with a vertical stiffening rib steel plate at the position where the I-shaped steel cross beam is connected with a flange plate of a cross-shaped steel upright post through angle welding, the vertical stiffening rib steel plates are respectively connected with the inner side surfaces of an upper side flange plate and a lower side flange plate of the I-shaped steel cross beam and the outer side surface of the flange plate of the cross-shaped steel upright post through angle welding, the two sides of the web plate of the cross-shaped steel upright post are respectively provided with a first horizontal stiffening rib steel plate at the corresponding positions of the upper side flange plate and the lower side flange plate of the I-shaped steel cross beam, the first horizontal stiffening rib steel plate is respectively connected with the inner side surface of the flange plate of the cross-shaped steel upright post and the surface of the web plate of the cross-shaped steel upright post through angle welding, the middle parts of the two sides of the web plate of the I-shaped steel cross beam are respectively provided with a second horizontal stiffening rib steel plate at the assembling end position of the I-shaped steel cross beam, and the second horizontal stiffening rib steel plate is respectively welded with the surface of the web plate of the I-shaped steel cross beam and the inner side surface of the vertical assembling steel plate through angle welding And (6) connecting.
The step (4) is specifically as follows: building structural adhesive or cementing adhesive is respectively and uniformly coated on the end face of the assembling end of the reinforced concrete column and the outer side face of the horizontal assembling steel plate, the assembling end of the reinforced concrete column is butted with the assembling end of the cross-shaped steel column, so that the end face of the assembling end of the reinforced concrete column and the outer side face of the horizontal assembling steel plate are extruded and compacted, meanwhile, one end of each second high-strength bolt extending out of the reinforced concrete column correspondingly penetrates through each second circular bolt hole on the horizontal assembling steel plate, then one end of each second high-strength bolt extending out of the reinforced concrete column is in threaded connection with a second fastening nut, a steel gasket sleeved on the second high-strength bolt is tightly clamped between the second fastening nut and the horizontal assembling steel plate, four second rectangular steel plates are respectively and correspondingly arranged around the connecting position of the assembling end of the reinforced concrete column and the assembling end of the cross-shaped steel column and are respectively and correspondingly arranged in parallel with four flange plates of the cross-shaped steel column one by one, and each second rectangular steel plate is welded with the corresponding vertical welding steel plate and the corresponding outer side surface of the flange plate of the cross-shaped steel upright post through fillet welding.
The step (5) is specifically as follows: the assembling end face of the reinforced concrete beam and the outer side face of the vertical assembling steel plate are respectively and evenly coated with building structure glue or cementing glue, the assembling end of the reinforced concrete beam is butted with the assembling end of the I-shaped steel beam, the assembling end face of the reinforced concrete beam and the outer side face of the vertical assembling steel plate are extruded to be compact, one end of each first high-strength bolt extending out of the reinforced concrete beam correspondingly penetrates through each first circular bolt hole in the vertical assembling steel plate, then one end of each first high-strength bolt extending out of the reinforced concrete beam is connected with a first fastening nut in a threaded mode, a steel gasket sleeved on the first high-strength bolt is tightly clamped between the first fastening nut and the vertical assembling steel plate, the first rectangular steel plate on the upper side is welded with the horizontal welding steel plate on the upper side and the outer side face of the upper flange plate of the I-shaped steel beam through an angle weld joint, and the first rectangular steel plate on the lower side is welded with the horizontal welding steel plate on the lower side and the lower flange plate of the I-shaped steel beam respectively The outer side is welded by fillet welding.
Compared with the prior art, the invention has outstanding substantive characteristics and remarkable progress, and particularly has the following advantages:
the section steel nodes are assembled and connected with the reinforced concrete beam column, and have specific plastic hinge subareas, when the section steel nodes are subjected to the action of earthquake force, the section steel nodes have good earthquake-resistant toughness and enhanced earthquake-resistant performance compared with the traditional reinforced concrete nodes, the deformation of the section steel nodes can quickly release energy generated when the earthquake occurs, and the influence and damage of the earthquake on the reinforced concrete beam column are greatly reduced;
secondly, the section steel node has the advantage of rapid restoration and recovery after earthquake, after the section steel node is restored, the section steel node can be restored and reinforced by adopting the modes of steel wrapping and grouting inside the abdominal cavity, and after restoration, the plastic hinge can be converted, so that the design idea of multiple earthquake-proof defense lines is met;
compared with a reinforced concrete assembly type structure, the invention has the advantages that the cost is reduced, the construction is convenient, the maintenance of assembly nodes is not needed, the construction period is greatly shortened, and the social and economic benefits are improved;
the invention can adjust the detailed size and the structure of the section steel node according to the earthquake resistance state criterion and the toughness design concept in the design, has wide application range and high practicability, is particularly suitable for house buildings in earthquake-resistant fortification areas, and can effectively improve the earthquake resistance, the safety performance and the after-earthquake restoration performance of residential buildings, public buildings and the like.
The section steel nodes are assembled and connected with the reinforced concrete beam column, plastic hinge zones are clear, the toughness of the nodes is improved, the anti-seismic performance is enhanced, the steel reinforced concrete beam column can be quickly repaired after an earthquake, the anti-seismic performance, the safety performance and the post-earthquake repairing performance of residential buildings, public buildings and the like can be effectively improved, the cost is low, and the construction is convenient.
Drawings
Fig. 1 is an isometric view of the present invention.
Fig. 2 is a partial longitudinal cross-sectional view of the present invention.
Fig. 3 is a sectional view taken along line a-a in fig. 2.
Fig. 4 is a sectional view taken along line B-B in fig. 3.
FIG. 5 is a schematic structural view of the section steel node of the present invention.
FIG. 6 is a schematic structural view of the section steel node of the present invention with the vertical and horizontal steel plates removed.
Detailed Description
The embodiments of the present invention are further described below with reference to the drawings.
As shown in figures 1-6, a reinforced concrete beam column-shaped steel node composite structure, including reinforced concrete beam 1, reinforced concrete column 2 and shaped steel node, the shaped steel node is integral node structure, the shaped steel node includes cross shaped steel stand 3 and four I shaped steel crossbeams 4, four I shaped steel crossbeams 4 rectangle array arrange around cross shaped steel stand 3, four I shaped steel crossbeams 4 are perpendicular and as an organic whole through the fillet weld with four flange plates of cross shaped steel stand 3 respectively, the assembly end of four I shaped steel crossbeams 4 all is provided with vertical assembly steel plate 5, vertical assembly steel plate 5 is perpendicular with I shaped steel crossbeam 4, vertical assembly steel plate 5 passes through the fillet weld and the upside flange plate of I shaped steel crossbeam 4, web and downside flange plate welding as an organic whole, the assembly end of reinforced concrete beam 1 pre-buries a plurality of first high strength bolts 6 that the level set up and passes through each first high strength spiral shell bolt 6 with vertical assembly steel plate 5 Bolt 6 fastening be assembled between/be connected between, the assembly end of reinforced concrete roof beam 1 and the assembly end of I shaped steel crossbeam 4 pass through 7 welded assembly of first rectangle steel sheet and be connected between, the assembly end of cross shaped steel stand 3 is provided with horizontal assembly steel sheet 8, horizontal assembly steel sheet 8 is perpendicular with cross shaped steel stand 3, horizontal assembly steel sheet 8 is as an organic whole through web and four flange plate welding of fillet weld and cross shaped steel stand 3, the pre-buried second high strength bolt 9 that has a plurality of vertical settings of assembly end of reinforced concrete column 2 and pass through each second high strength bolt 9 fastening be assembled between/be connected between with horizontal assembly steel sheet 8, the assembly end of reinforced concrete column 2 and the assembly end of cross shaped steel stand 3 pass through 10 welded assembly of second rectangle steel sheet.
Two sides of a web plate of the I-shaped steel cross beam 4 are provided with a vertical stiffening rib steel plate 11 at the connecting position of the I-shaped steel cross beam 4 and a flange plate of the cross-shaped steel upright post 3, the two vertical stiffening rib steel plates 11 are symmetrical about the web plate of the I-shaped steel cross beam 4 and are positioned between the upper flange plate and the lower flange plate of the I-shaped steel cross beam 4, the vertical stiffening rib steel plates 11 are respectively welded with the inner side surfaces of the upper flange plate and the lower flange plate of the I-shaped steel cross beam 4 and the outer side surface of the flange plate of the cross-shaped steel upright post 3 through fillet welds, two sides of the web plate of the cross-shaped steel upright post 3 are respectively provided with a first horizontal stiffening rib steel plate 12 at the corresponding positions of the upper flange plate and the lower flange plate of the I-shaped steel cross beam 4, and the first horizontal stiffening rib steel plates 12 are respectively welded with the inner side surfaces of the flange plate of the cross-shaped steel upright post 3 and the web plate of the cross-shaped steel upright post 3 through fillet welds;
and the middle parts of two sides of the web plate of the I-shaped steel beam 4 are respectively provided with a second horizontal stiffening rib steel plate 13 at the assembly end position of the I-shaped steel beam 4, and the second horizontal stiffening rib steel plates 13 are respectively welded and connected with the surface of the web plate of the I-shaped steel beam 4 and the inner side surface of the vertical assembly steel plate 5 through fillet welds.
The upper side and the lower side of the assembly end of the reinforced concrete beam 1 are both fixedly provided with a horizontal welding steel plate 14 in a parallel embedded manner, one side of the two horizontal welding steel plates 14 close to the assembly end of the reinforced concrete beam 1 is flush with the end face of the assembly end of the reinforced concrete beam 1, the outer side of the upper horizontal welding steel plate 14 is flush with the upper side of the reinforced concrete beam 1, the outer side of the lower horizontal welding steel plate 14 is flush with the lower side of the reinforced concrete beam 1, the inner sides of the two horizontal welding steel plates 14 are both welded with stirrups or constructional reinforcements 18 in the reinforced concrete beam 1, two first rectangular steel plates 7 are horizontally arranged and vertically spaced, the first rectangular steel plate 7 on the upper side is arranged above the connecting position of the assembly end of the reinforced concrete beam 1 and the assembly end of the I-shaped steel beam 4, the first rectangular steel plate 7 on the lower side is arranged below the connecting position of the assembly end of the reinforced concrete beam 1 and the assembly end of the I-shaped steel beam 4, the first rectangular steel plate 7 on the upper side is welded with the horizontal welding steel plate 14 on the upper side and the outer side surface of the flange plate on the upper side of the I-shaped steel beam 4 through fillet welds respectively, and the first rectangular steel plate 7 on the lower side is welded with the horizontal welding steel plate 14 on the lower side and the outer side surface of the flange plate on the lower side of the I-shaped steel beam 4 through fillet welds respectively;
four equal parallel pre-buried fixed vertical welding steel plates 15 that are provided with in assembly end four sides of reinforced concrete column 2, a side of the assembly end of reinforced concrete column 2 that four vertical welding steel plates 15 are close to all flushes with the assembly end terminal surface of reinforced concrete column 2, four vertical welding steel plates 15's lateral surface flushes with the corresponding side of reinforced concrete column 2 respectively, four vertical welding steel plates 15's medial surface all welds with stirrup or constructional steel 18 in reinforced concrete column 2, the vertical setting of second rectangle steel plate 10 and rectangle array set up four, four second rectangle steel plates 10 correspond respectively to set up around the assembly end of reinforced concrete column 2 and the assembly end connected position of cross shaped steel stand 3 and respectively with four flange plate one-to-one corresponding parallel arrangement of cross shaped steel stand 3, every second rectangle steel plate 10 all passes through the angle welding with corresponding vertical welding steel plate 15 and the corresponding flange plate lateral surface of cross shaped steel stand 3.
The end face of the assembling end of the reinforced concrete beam 1, the outer side face of the vertical assembling steel plate 5, the end face of the assembling end of the reinforced concrete column 2 and the outer side face of the horizontal assembling steel plate 8 are respectively and uniformly coated with building structure glue or cementing glue;
a plurality of first circular bolt holes corresponding to the first high-strength bolts 6 are formed in the vertical assembling steel plate 5, one end, extending out of the reinforced concrete beam 1, of each first high-strength bolt 6 penetrates through each first circular bolt hole in the vertical assembling steel plate 5 correspondingly and is in threaded connection with a first fastening nut 16, and a steel gasket sleeved on the first high-strength bolt 6 is tightly clamped between the first fastening nut 16 and the vertical assembling steel plate 5;
the horizontal assembly steel plate 8 is provided with a plurality of second circular bolt holes corresponding to the second high-strength bolts 9, one end of each second high-strength bolt 9 extending out of the reinforced concrete column 2 correspondingly penetrates through each second circular bolt hole in the horizontal assembly steel plate 8 respectively and is in threaded connection with a second fastening nut 17, and a steel gasket sleeved on the second high-strength bolt 9 is tightly clamped between the second fastening nut 17 and the horizontal assembly steel plate 8.
The rigidity of the assembling end of the reinforced concrete beam 1 is matched with that of the assembling end of the I-shaped steel cross beam 4, and the rigidity of the assembling end of the reinforced concrete column 2 is matched with that of the assembling end of the cross-shaped steel upright column 3;
the assembling end of the reinforced concrete beam 1 and the assembling end of the reinforced concrete column 2 are both formed by pouring concrete of C40 or above;
the length of the I-shaped steel cross beam 4 and the length of the upper section and the length of the lower section of the cross-shaped steel upright post 3 at the position connected with the I-shaped steel cross beam 4 are not less than the length of the plastic hinge.
A construction method of a reinforced concrete beam 1 column-profile steel node combined structure comprises the following concrete construction steps:
(1) binding a reinforced concrete beam 1 and a reinforced concrete column 2 steel reinforcement framework in a factory, welding each first high-strength bolt 6 with the reinforced concrete beam 1 at an assembly end of the reinforced concrete beam 1 along the reinforced concrete framework axis direction of the reinforced concrete beam 1, welding each second high-strength bolt 9 with the reinforced concrete column 2 steel reinforcement framework assembly end along the reinforced concrete column 2 steel reinforcement framework axis direction, welding a horizontal welding steel plate 14 at the corresponding positions of the upper side and the lower side stirrups of the reinforced concrete beam 1 assembly end of the reinforced concrete beam or the corresponding positions of the outer surfaces of the construction steel bars 18, and welding a vertical welding steel plate 15 at the corresponding positions of the stirrups at the four sides of the reinforced concrete beam 2 assembly end of the reinforced concrete column or the corresponding positions of the outer surfaces of the construction steel bars 18;
(2) pouring concrete in a factory to manufacture the reinforced concrete beam 1 and the reinforced concrete column 2, and maintaining for 28 days;
(3) manufacturing section steel nodes in a factory;
(4) fixedly assembling and connecting the assembling end of the reinforced concrete column 2 with the assembling end of the cross-shaped steel column 3 of the section steel node;
(5) and the assembly end of the reinforced concrete beam 1 is fixedly assembled and connected with the assembly end of the I-shaped steel beam 4 of the section steel node.
The step (1) is specifically as follows: after the reinforced concrete beam 1 and the reinforced frameworks of the reinforced concrete column 2 are bound in a factory, the reserved exposed length of one end with threads of each first high-strength bolt 6 is determined, each first high-strength bolt 6 is arranged along the axis direction of the reinforced frameworks of the reinforced concrete beam 1, the other end of each first high-strength bolt 6 is tightly attached to, compacted and welded with the reinforced frameworks at the assembly end of the reinforced concrete beam 1, the reserved exposed length of one end with threads of each second high-strength bolt 9 is determined, each second high-strength bolt 9 is arranged along the axis direction of the reinforced frameworks of the reinforced concrete column 2, the other end of each second high-strength bolt 9 is tightly attached to, compacted and welded with the reinforced frameworks at the assembly end of the reinforced concrete column 2, the inner side surfaces of two horizontal welding steel plates 14 are welded with stirrups or constructional reinforcements 18 in the reinforced concrete beam 1, make two horizontal welded steel plates 14 all flush with the assembly end terminal surface of reinforced concrete beam 1 after concreting, the lateral surface of the horizontal welded steel plate 14 of upside flushes with the upside terminal surface of reinforced concrete beam 1 after concreting, the lateral surface of the horizontal welded steel plate 14 of downside flushes with the downside of reinforced concrete beam 1 after concreting, the medial surface of four vertical welded steel plates 15 all welds with stirrup or construction steel 18 among reinforced concrete column 2, make a side of the assembly end of reinforced concrete column 2 that four vertical welded steel plates 15 are close to all flush with the assembly end terminal surface of reinforced concrete column 2 after concreting, the lateral surface of four vertical welded steel plates 15 flushes with the corresponding side of reinforced concrete column 2 after concreting respectively.
The step (3) is specifically as follows: prefabricating a cross-shaped steel upright post 3: the cross-shaped steel upright column 3 is formed by welding I-shaped steel and two T-shaped steel, the two T-shaped steel are respectively arranged on two sides of a web plate of the I-shaped steel along the axial direction of the I-shaped steel, and the web plate of the T-shaped steel is welded on the web plate of the I-shaped steel through butt welding seams or fillet welding seams;
arranging four I-shaped steel cross beams 4 around a cross-shaped steel upright 3 in a rectangular array, wherein the four I-shaped steel cross beams 4 are respectively vertical to four flange plates of the cross-shaped steel upright 3 and are welded into a whole through fillet welding, then welding a vertical assembling steel plate 5 at the assembling ends of the four I-shaped steel cross beams 4 through fillet welding, and welding a horizontal assembling steel plate 8 at the assembling ends of the cross-shaped steel upright 3 through fillet welding;
two sides of a web plate of the I-shaped steel cross beam 4 are respectively provided with a vertical stiffening rib steel plate 11 at the connecting position of the I-shaped steel cross beam 4 and a flange plate of the cross-shaped steel upright post 3, the vertical stiffening rib steel plates 11 are respectively welded with the inner side surfaces of an upper side flange plate and a lower side flange plate of the I-shaped steel cross beam 4 and the outer side surface of the flange plate of the cross-shaped steel upright post 3 through fillet welds, two sides of the web plate of the cross-shaped steel upright post 3 are respectively provided with a first horizontal stiffening rib steel plate 12 at the corresponding positions of the upper side flange plate and the lower side flange plate of the I-shaped steel cross beam 4, the first horizontal stiffening rib steel plates 12 are respectively welded with the inner side surfaces of the flange plates of the cross-shaped steel upright post 3 and the surface of the web plate of the cross-shaped steel upright post 3 through fillet welds, the middle parts of the two sides of the web plate of the I-shaped steel cross beam 4 are respectively provided with a second horizontal stiffening rib steel plate 13 at the assembling position of the I-shaped steel cross beam 4, and the second horizontal stiffening rib steel plate 13 is respectively welded and connected with the surface of the web plate of the I-shaped steel beam 4 and the inner side surface of the vertical assembling steel plate 5 through fillet welds.
The step (4) is specifically as follows: the assembling end face of the reinforced concrete column 2 and the outer side face of the horizontal assembling steel plate 8 are respectively and evenly coated with building structure glue or cementing glue, the assembling end of the reinforced concrete column 2 is butted with the assembling end of the cross-shaped steel column 3, the assembling end face of the reinforced concrete column 2 and the outer side face of the horizontal assembling steel plate 8 are extruded and compacted, one end of each second high-strength bolt 9 extending out of the reinforced concrete column 2 correspondingly penetrates through each second circular bolt hole in the horizontal assembling steel plate 8, one end of each second high-strength bolt 9 extending out of the reinforced concrete column 2 is in threaded connection with a second fastening nut 17, a steel gasket sleeved on the second high-strength bolt 9 is tightly clamped between the second fastening nut 17 and the horizontal assembling steel plate 8, and four second rectangular steel plates 10 are respectively and correspondingly arranged around the connecting position of the assembling end of the reinforced concrete column 2 and the assembling end of the cross-shaped steel column 3 and respectively correspond to four flange plates of the cross-shaped steel column 3 The second rectangular steel plates 10 are arranged in parallel in a one-to-one correspondence mode, and the outer side faces of the corresponding flange plates of the corresponding vertical welding steel plates 15 and the corresponding cross-shaped steel upright columns 3 are welded through fillet welding.
The step (5) is specifically as follows: the end face of the assembling end of the reinforced concrete beam 1 and the outer side face of the vertical assembling steel plate 5 are respectively and evenly coated with building structure glue or cementing glue, the assembling end of the reinforced concrete beam 1 is butted with the assembling end of the I-shaped steel beam 4, the end face of the assembling end of the reinforced concrete beam 1 and the outer side face of the vertical assembling steel plate 5 are extruded and compacted, simultaneously, one end of each first high-strength bolt 6 extending out of the reinforced concrete beam 1 correspondingly penetrates through each first circular bolt hole on the vertical assembling steel plate 5, one end of each first high-strength bolt 6 extending out of the reinforced concrete beam 1 is connected with a first fastening nut 16 in a threaded manner, a steel gasket sleeved on the first high-strength bolt 6 is tightly clamped between the first fastening nut 16 and the vertical assembling steel plate 5, the first rectangular steel plate 7 on the upper side is respectively welded with the horizontal welding steel plate 14 on the upper side and the outer side face of the flange plate on the upper side of the I-shaped steel beam 4 through fillet welds, the first rectangular steel plate 7 on the lower side is respectively welded with the horizontal welding steel plate 14 on the lower side and the outer side surface of the lower side flange plate of the I-shaped steel beam 4 through fillet welding.
The above embodiments are merely to illustrate rather than to limit the technical solutions of the present invention, and although the present invention has been described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that; modifications and equivalents may be made thereto without departing from the spirit and scope of the invention and it is intended to cover in the claims the invention as defined in the appended claims.
Claims (10)
1. The utility model provides a reinforced concrete beam column-shaped steel node integrated configuration which characterized in that: the steel bar reinforced concrete beam assembly structure comprises a reinforced concrete beam, a reinforced concrete column and a section steel node, wherein the section steel node is of an integral node structure and comprises a cross-shaped steel column and four I-shaped steel beams, the four I-shaped steel beams are arranged around the cross-shaped steel column in a rectangular array mode, the four I-shaped steel beams are respectively perpendicular to four flange plates of the cross-shaped steel column and welded into a whole through fillet welds, the assembly ends of the four I-shaped steel beams are respectively provided with a vertical assembly steel plate, the vertical assembly steel plate is perpendicular to the I-shaped steel beams, the vertical assembly steel plate is welded with upper side flange plates, web plates and lower side flange plates of the I-shaped steel beams into a whole through fillet welds, the assembly end of the reinforced concrete beam is provided with a plurality of horizontally arranged first high-strength bolts and is fastened and assembled and connected with the vertical assembly steel plate through the first high-strength bolts, and the assembly end of the reinforced concrete beam is welded and assembled and connected with the assembly end of the I-shaped steel beam through the first rectangular steel plate, the assembly end of cross shaped steel stand is provided with horizontal assembly steel sheet, horizontal assembly steel sheet is perpendicular with cross shaped steel stand, horizontal assembly steel sheet passes through the web and four flange plate welding as an organic whole of fillet weld and cross shaped steel stand, the pre-buried second high strength bolt that has a plurality of vertical settings of assembly end of reinforced concrete column and pass through each second high strength bolt fastening be assembled between/be connected between with horizontal assembly steel sheet, the assembly end of reinforced concrete column and the assembly end of cross shaped steel stand pass through second rectangle steel sheet welding be assembled between/be connected between.
2. The reinforced concrete beam column-section steel node composite structure of claim 1, wherein: the two sides of a web plate of the I-shaped steel cross beam are provided with a vertical stiffening rib steel plate at the connecting position of the I-shaped steel cross beam and a flange plate of the cross-shaped steel upright post, the two vertical stiffening rib steel plates are symmetrical about the web plate of the I-shaped steel cross beam and are positioned between the upper side flange plate and the lower side flange plate of the I-shaped steel cross beam, the vertical stiffening rib steel plates are respectively welded and connected with the inner sides of the upper side flange plate and the lower side flange plate of the I-shaped steel cross beam and the outer side of the flange plate of the cross-shaped steel upright post through fillet welds, the two sides of the web plate of the cross-shaped steel upright post are respectively provided with a first horizontal stiffening rib steel plate at the corresponding positions of the upper side flange plate and the lower side flange plate of the I-shaped steel cross beam, and the first horizontal stiffening rib steel plates are respectively welded and connected with the inner sides of the flange plates of the cross-shaped steel upright post and the surface of the web plate of the cross-shaped steel upright post through fillet welds;
and the middle parts of two sides of a web plate of the I-shaped steel beam are respectively provided with a second horizontal stiffening rib steel plate at the assembly end position of the I-shaped steel beam, and the second horizontal stiffening rib steel plates are respectively welded and connected with the surface of the web plate of the I-shaped steel beam and the inner side surface of the vertical assembly steel plate through fillet welds.
3. A reinforced concrete beam column-section steel node composite structure as recited in claim 2, wherein: the upper side and the lower side of the assembly end of the reinforced concrete beam are both fixedly provided with a horizontal welding steel plate in a parallel pre-embedded manner, one side of the two horizontal welding steel plates close to the assembly end of the reinforced concrete beam is flush with the end surface of the assembly end of the reinforced concrete beam, the outer side of the upper horizontal welding steel plate is flush with the upper side of the reinforced concrete beam, the outer side of the lower horizontal welding steel plate is flush with the lower side of the reinforced concrete beam, the inner sides of the two horizontal welding steel plates are both welded with stirrups or constructional reinforcements in the reinforced concrete beam, the first rectangular steel plate is horizontally arranged and is vertically arranged at intervals, the first rectangular steel plate at the upper side is arranged above the connecting position of the assembly end of the reinforced concrete beam and the assembly end of the I-shaped steel beam, and the first rectangular steel plate at the lower side is arranged below the connecting position of the assembly end of the reinforced concrete beam and the assembly end of the I-shaped steel beam, the first rectangular steel plate on the upper side is welded with the horizontal welding steel plate on the upper side and the outer side surface of the upper side flange plate of the I-shaped steel beam through fillet welds respectively, and the first rectangular steel plate on the lower side is welded with the horizontal welding steel plate on the lower side and the outer side surface of the lower side flange plate of the I-shaped steel beam through fillet welds respectively;
the four equal parallel pre-buried fixed vertical welding steel plates that are provided with in side of the assembly end of reinforced concrete column, a side of the assembly end of reinforced concrete column that four vertical welding steel plates are close to all flushes with the assembly end terminal surface of reinforced concrete column, the lateral surface of four vertical welding steel plates flushes with the corresponding side of reinforced concrete column respectively, the medial surface of four vertical welding steel plates all with stirrup or construction steel bar welding in the reinforced concrete column, the vertical setting of second rectangle steel plate and rectangle array set up four, four second rectangle steel plates correspond the setting respectively around the assembly end of reinforced concrete column and the assembly end connected position of cross shaped steel column and respectively with the four flange boards one-to-one corresponding parallel arrangement of cross shaped steel column, every second rectangle steel plate all passes through the angle seam welding with corresponding vertical welding steel plate and the corresponding flange board lateral surface of cross shaped steel column.
4. A reinforced concrete beam column-section steel node composite structure as recited in claim 3, wherein: the end face of the assembling end of the reinforced concrete beam, the outer side face of the vertical assembling steel plate, the end face of the assembling end of the reinforced concrete column and the outer side face of the horizontal assembling steel plate are respectively and uniformly coated with building structure glue or cementing glue;
a plurality of first circular bolt holes corresponding to the first high-strength bolts are formed in the vertical assembling steel plate, one end, extending out of the reinforced concrete beam, of each first high-strength bolt correspondingly penetrates through each first circular bolt hole in the vertical assembling steel plate and is in threaded connection with a first fastening nut, and a steel gasket sleeved on the first high-strength bolts is tightly clamped between the first fastening nut and the vertical assembling steel plate;
the horizontal assembly steel plate is provided with a plurality of second circular bolt holes corresponding to the second high-strength bolts, one end of each second high-strength bolt, extending out of the reinforced concrete column, correspondingly penetrates through each second circular bolt hole in the horizontal assembly steel plate respectively and is in threaded connection with a second fastening nut, and a steel gasket sleeved on the second high-strength bolts is tightly clamped between the second fastening nuts and the horizontal assembly steel plate.
5. The construction method of a reinforced concrete beam-column-section steel node combined structure as recited in claim 4, wherein: the rigidity of the assembling end of the reinforced concrete beam is matched with that of the assembling end of the I-shaped steel beam, and the rigidity of the assembling end of the reinforced concrete column is matched with that of the assembling end of the cross-shaped steel column;
the assembling end of the reinforced concrete beam and the assembling end of the reinforced concrete column are both formed by pouring concrete of C40 or above;
the length of the I-shaped steel cross beam and the length of the upper section and the length of the lower section of the cross-shaped steel upright column at the position connected with the I-shaped steel cross beam are not less than the length of the plastic hinge.
6. The construction method of a reinforced concrete beam-column-section steel node combined structure as recited in claim 5, wherein: the concrete construction steps are as follows:
(1) binding a reinforced concrete beam and a steel reinforcement framework of a reinforced concrete column in a factory, welding each first high-strength bolt with the steel reinforcement framework at the assembly end of the reinforced concrete beam along the axis direction of the steel reinforcement framework of the reinforced concrete beam, welding each second high-strength bolt with the assembly end of the steel reinforcement framework of the reinforced concrete column along the axis direction of the steel reinforcement framework of the reinforced concrete column, welding a horizontal welding steel plate at the corresponding positions of the outer surfaces of the upper side and the lower side stirrups or the constructional steel bars at the assembly end of the reinforced concrete beam, and welding a vertical welding steel plate at the corresponding positions of the outer surfaces of the four side stirrups or the constructional steel bars at the assembly end of the reinforced concrete column;
(2) pouring concrete in a factory to manufacture a reinforced concrete beam and a reinforced concrete column, and maintaining for 28 days;
(3) manufacturing section steel nodes in a factory;
(4) fixedly assembling and connecting the assembling end of the reinforced concrete column with the assembling end of the cross-shaped steel column of the section steel node;
(5) and fixedly assembling and connecting the assembling end of the reinforced concrete beam with the assembling end of the I-shaped steel beam of the section steel node.
7. The construction method of a reinforced concrete beam-column-section steel node combined structure as recited in claim 6, wherein: the step (1) is specifically as follows: after the reinforced concrete beam and the reinforced concrete column are bound in a factory, the reserved exposed length of one end, with a thread, of each first high-strength bolt is determined, each first high-strength bolt is arranged along the axis direction of the reinforced concrete beam, the other end of each first high-strength bolt is tightly attached to and welded with the reinforced concrete beam at the assembly end, the reserved exposed length of one end, with a thread, of each second high-strength bolt is determined, each second high-strength bolt is arranged along the axis direction of the reinforced concrete column, the other end of each second high-strength bolt is tightly attached to and welded with the reinforced concrete column at the assembly end, the inner side faces of two horizontal welding steel plates are welded with stirrups or constructional reinforcements in the reinforced concrete beam, and one side edge, close to the assembly end of the reinforced concrete beam, of the two horizontal welding steel plates is welded with the reinforced concrete beam after concrete is poured The assembly end terminal surface of roof beam flushes, the lateral surface of the horizontal welding steel sheet of upside flushes with the upside of the reinforced concrete beam after concreting, the lateral surface of the horizontal welding steel sheet of downside flushes with the downside of the reinforced concrete beam after concreting, the medial surface with four vertical welding steel sheets all flushes with stirrup or constructional steel bar welding in the reinforced concrete column, make a side of the assembly end of the reinforced concrete column that four vertical welding steel sheets are close to all flush with the assembly end terminal surface of the reinforced concrete column after concreting, the lateral surface of four vertical welding steel sheets flushes with the corresponding side of the reinforced concrete column after concreting respectively.
8. The construction method of a reinforced concrete beam-column-section steel node combined structure as recited in claim 6, wherein: the step (3) is specifically as follows: prefabricating a cross-shaped steel stand column: the cross-shaped steel upright post is formed by welding I-shaped steel and two T-shaped steel, the two T-shaped steel are respectively arranged on two sides of a web plate of the I-shaped steel along the axial direction of the I-shaped steel, and the web plate of the T-shaped steel is welded on the web plate of the I-shaped steel through butt welding seams or fillet welding seams;
arranging four I-shaped steel cross beams around a cross-shaped steel stand column in a rectangular array, wherein the four I-shaped steel cross beams are respectively perpendicular to four flange plates of the cross-shaped steel stand column and welded into a whole through fillet weld, then welding a vertical assembly steel plate at the assembly ends of the four I-shaped steel cross beams through fillet weld, and welding a horizontal assembly steel plate at the assembly ends of the cross-shaped steel stand column through fillet weld;
the two sides of a web plate of the I-shaped steel cross beam are respectively provided with a vertical stiffening rib steel plate at the position where the I-shaped steel cross beam is connected with a flange plate of a cross-shaped steel upright post through angle welding, the vertical stiffening rib steel plates are respectively connected with the inner side surfaces of an upper side flange plate and a lower side flange plate of the I-shaped steel cross beam and the outer side surface of the flange plate of the cross-shaped steel upright post through angle welding, the two sides of the web plate of the cross-shaped steel upright post are respectively provided with a first horizontal stiffening rib steel plate at the corresponding positions of the upper side flange plate and the lower side flange plate of the I-shaped steel cross beam, the first horizontal stiffening rib steel plate is respectively connected with the inner side surface of the flange plate of the cross-shaped steel upright post and the surface of the web plate of the cross-shaped steel upright post through angle welding, the middle parts of the two sides of the web plate of the I-shaped steel cross beam are respectively provided with a second horizontal stiffening rib steel plate at the assembling end position of the I-shaped steel cross beam, and the second horizontal stiffening rib steel plate is respectively welded with the surface of the web plate of the I-shaped steel cross beam and the inner side surface of the vertical assembling steel plate through angle welding And (6) connecting.
9. The construction method of a reinforced concrete beam-column-section steel node combined structure as recited in claim 6, wherein: the step (4) is specifically as follows: building structural adhesive or cementing adhesive is respectively and uniformly coated on the end face of the assembling end of the reinforced concrete column and the outer side face of the horizontal assembling steel plate, the assembling end of the reinforced concrete column is butted with the assembling end of the cross-shaped steel column, so that the end face of the assembling end of the reinforced concrete column and the outer side face of the horizontal assembling steel plate are extruded and compacted, meanwhile, one end of each second high-strength bolt extending out of the reinforced concrete column correspondingly penetrates through each second circular bolt hole on the horizontal assembling steel plate, then one end of each second high-strength bolt extending out of the reinforced concrete column is in threaded connection with a second fastening nut, a steel gasket sleeved on the second high-strength bolt is tightly clamped between the second fastening nut and the horizontal assembling steel plate, four second rectangular steel plates are respectively and correspondingly arranged around the connecting position of the assembling end of the reinforced concrete column and the assembling end of the cross-shaped steel column and are respectively and correspondingly arranged in parallel with four flange plates of the cross-shaped steel column one by one, and each second rectangular steel plate is welded with the corresponding vertical welding steel plate and the corresponding outer side surface of the flange plate of the cross-shaped steel upright post through fillet welding.
10. The construction method of a reinforced concrete beam-column-section steel node combined structure as recited in claim 6, wherein: the step (5) is specifically as follows: the assembling end face of the reinforced concrete beam and the outer side face of the vertical assembling steel plate are respectively and evenly coated with building structure glue or cementing glue, the assembling end of the reinforced concrete beam is butted with the assembling end of the I-shaped steel beam, the assembling end face of the reinforced concrete beam and the outer side face of the vertical assembling steel plate are extruded to be compact, one end of each first high-strength bolt extending out of the reinforced concrete beam correspondingly penetrates through each first circular bolt hole in the vertical assembling steel plate, then one end of each first high-strength bolt extending out of the reinforced concrete beam is connected with a first fastening nut in a threaded mode, a steel gasket sleeved on the first high-strength bolt is tightly clamped between the first fastening nut and the vertical assembling steel plate, the first rectangular steel plate on the upper side is welded with the horizontal welding steel plate on the upper side and the outer side face of the upper flange plate of the I-shaped steel beam through an angle weld joint, and the first rectangular steel plate on the lower side is welded with the horizontal welding steel plate on the lower side and the lower flange plate of the I-shaped steel beam respectively The outer side is welded by fillet welding.
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| CN115075571B (en) * | 2022-08-02 | 2024-02-06 | 中国建筑西北设计研究院有限公司 | Construction method for inclined joint of steel reinforced concrete wall beam with flange additionally arranged on one side |
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