CN110258790B - Vertical dry type connecting node with shear key groove for prefabricated frame column and construction method - Google Patents
Vertical dry type connecting node with shear key groove for prefabricated frame column and construction method Download PDFInfo
- Publication number
- CN110258790B CN110258790B CN201910515853.1A CN201910515853A CN110258790B CN 110258790 B CN110258790 B CN 110258790B CN 201910515853 A CN201910515853 A CN 201910515853A CN 110258790 B CN110258790 B CN 110258790B
- Authority
- CN
- China
- Prior art keywords
- shear key
- key groove
- column
- layer column
- groove plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000010276 construction Methods 0.000 title claims abstract description 18
- 238000005265 energy consumption Methods 0.000 claims abstract description 46
- 230000002787 reinforcement Effects 0.000 claims abstract description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 22
- 239000010959 steel Substances 0.000 claims description 22
- 239000003822 epoxy resin Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 9
- 229920000647 polyepoxide Polymers 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 238000009415 formwork Methods 0.000 claims description 3
- 239000004570 mortar (masonry) Substances 0.000 claims description 3
- 239000010410 layer Substances 0.000 abstract description 61
- 238000005452 bending Methods 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 3
- 239000011229 interlayer Substances 0.000 abstract description 3
- 238000010008 shearing Methods 0.000 abstract description 3
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/42—Foundations for poles, masts or chimneys
-
- 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
-
- 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
Abstract
The invention discloses a prefabricated frame column vertical dry type connection node with a shear key groove and a construction method, comprising a rectangular foundation, a reinforcement connector pre-embedded in the foundation, a first-layer column with the bottom arranged on the foundation, a pre-embedded connecting piece in a cross shape or a groined shape, a shear key groove component, an upper-layer column with the bottom arranged on the top surface of the first-layer column and an energy consumption connecting piece, wherein the sections of the first-layer column and the upper-layer column are square, and square openings are symmetrically arranged at four corners of the upper part of the first-layer column and four corners of the lower part of the upper-layer column respectively; the shear key groove components are arranged at the connecting nodes of the upper layer column and the first layer column and the connecting nodes of the first layer column and the foundation respectively. High cost performance and convenient construction and installation. The node is provided with an embedded part in the prefabricated column, and the shearing resistance of the node is realized by arranging a shear key groove in a connecting surface; the bending resistance and energy consumption of the column foot connecting node are realized by arranging the energy consumption connecting piece, and the interlayer connecting node is positioned at the position with smaller column bending moment and is basically in an elastic state.
Description
Technical Field
The invention relates to the field of assembled concrete frame structures, in particular to a vertical dry type connecting node of a prefabricated frame column with a shear key groove and a construction method.
Background
The fabricated concrete frame structure system is widely applied to fabricated buildings, and the structural integrity and reliability of the fabricated concrete frame structure system are mainly realized through connection among prefabricated components, wherein the vertical connection of prefabricated columns is a key of the fabricated concrete frame structure.
At present, the vertical connection of the prefabricated column is mostly connected by grouting a steel bar sleeve, and the existing problems are that: first, under the action of an earthquake, damage which is difficult to repair occurs to the node; secondly, the energy consumption of the node is mainly realized through plastic deformation of the reinforcing steel bars, and the energy consumption capability is poor; thirdly, the extension of the steel bars at the end parts of the prefabricated columns brings great inconvenience to the design of the templates, the prefabrication of the components, the transportation and the installation, and the construction efficiency is low.
Disclosure of Invention
The invention aims to provide a prefabricated frame column vertical dry type connection node with a shear key groove and a construction method, and aims to solve the technical problems that the vertical column is unreasonable in stress, the vertical connection of an assembled concrete frame column is large in structural damage, an undefined force transmission path, the energy consumption capability of the node is limited, the construction efficiency of the assembled column is limited, and the occurrence of loss is difficult to repair.
In order to achieve the above purpose, the invention adopts the following technical scheme: the invention provides a vertical dry type connection node of a prefabricated frame column with a shear key groove and a construction method, wherein the vertical dry type connection node comprises a rectangular foundation, a reinforcement connector pre-embedded in the foundation, a first-layer column with the bottom arranged on the foundation, a pre-embedded connecting piece in a cross shape or a groined shape, a shear key groove component, an upper-layer column with the bottom arranged on the top surface of the first-layer column and an energy consumption connecting piece, the sections of the first-layer column and the upper-layer column are square, and square openings are symmetrically arranged at four corners of the upper part of the first-layer column and four corners of the lower part of the upper-layer column respectively;
the shear key groove components are provided with two groups and are respectively arranged at the connecting nodes of the upper layer column and the first layer column and the connecting nodes of the first layer column and the foundation;
the embedded connecting piece is arranged at the lower part of the first-layer column and is perpendicular to the axial direction of the first-layer column, the embedded connecting piece comprises a transverse embedded pipe and a longitudinal embedded pipe, the end head of the transverse embedded pipe and the end head of the longitudinal embedded pipe extend out of the first-layer column, and a third round hole for penetrating through the energy-consumption connecting piece is formed in the end head; the bottom of the energy consumption connecting piece is connected with the steel bar connector.
Further, the height of the first layer column is greater than the height of the upper layer column.
Further, the method comprises the steps of, the first layer of pillars has the same width as the upper layer of pillars.
Further, the shear key slot assembly includes a first shear key slot plate and a second shear key slot plate;
the first shear key groove plate is square, a groove is formed in the center of the first shear key groove plate, first round holes for penetrating bolts are formed in four corners of the square, and anchor bars or bolts are further arranged on one side of the first shear key groove plate, which is embedded in concrete;
the second shear key groove plate is square, a bulge is arranged in the center of the second shear key groove plate, second round holes for penetrating bolts are formed in four corners of the square, and anchor bars or bolts are further arranged on one side of the second shear key groove plate, which is embedded in concrete;
after the first shear key groove plate is meshed with the second shear key groove plate, the circle center of the first round hole and the circle center of the second round hole are located on the same axis.
Further, the width of the first shear key groove plate is the same as the width of the second shear key groove plate; the width of the first shear key groove plate is the same as the width of the first layer column.
Further, the depth of the grooves and the height of the protrusions are adapted.
Further, a caulking material is arranged between the first shear key groove plate and the second shear key groove plate; the caulking material is high-strength epoxy resin or mortar.
Further, the energy consumption connecting piece comprises an energy consumption connecting core rod, a steel sleeve sleeved outside the energy consumption connecting core rod, a fastening nut and a backing plate, a sleeve wire is arranged on the energy consumption connecting core rod, and the upper end face of the third round hole, the lower end face of the third round hole and the energy consumption connecting core rod are fixed through the fastening nut.
Further, a gap of 1-2mm is reserved between the energy consumption connecting core rod and the steel sleeve.
Further, the energy consumption connecting piece adopts Q235 steel.
The invention also provides a construction method of the prefabricated frame column vertical dry type connecting node with the shear key groove, which comprises the following specific steps:
step one, installing a die and pouring a prefabricated column:
s1, installing a first-layer column mould, arranging a pre-buried connecting piece in the mould, arranging a first shear key groove plate at the top end mould of the first-layer column, and arranging a second shear key groove plate at the bottom of the first-layer column;
s2, a square notch is formed in the top end die;
s3, installing an upper column mould, and arranging a second shear key groove plate at the bottom of the upper column mould;
s4, square openings are formed in the bottoms of the upper layer columns;
step two, supporting a mould and pouring a foundation:
when the formwork is supported, a first shear key groove plate is arranged at the top of the foundation, and a reinforcement connector connected with the energy consumption connecting piece is arranged in the foundation;
step three, coating high-strength epoxy resin on the surface of the basic first shear key groove plate;
step four, installing a first layer column, adjusting verticality and installing a column foot:
the lower end of the energy consumption connecting core rod sequentially passes through a third round hole and a steel sleeve on the embedded connecting piece and is connected with a reinforcement connector in the foundation, and the upper end of the energy consumption connecting core rod is fixed on the embedded connecting piece by a nut;
fifthly, coating high-strength epoxy resin on the surface of the first shear key groove plate at the top of the first layer column;
and step six, installing an upper column, wherein after the first shear key groove plate is meshed with the second shear key groove plate, the circle center of the first round hole and the circle center of the second round hole are positioned on the same axis, the verticality is adjusted, and bolts respectively penetrate through the first round hole and the second round hole and are screwed and fixed to finish connection of the first column and the upper column.
The beneficial effects of the invention are as follows:
the prefabricated frame column vertical dry type connecting node with the shear key groove and the construction method are simple in structure, convenient to process, economical and feasible, high in cost performance and convenient to construct and install.
2, the vertical dry type connecting node with the shear key groove of the prefabricated frame column and the construction method provided by the invention are characterized in that embedded parts are arranged in the prefabricated column, and the shear resistance of the node is realized by arranging the shear key groove in a connecting surface; the bending resistance and energy consumption of the column foot connecting node are realized by arranging the energy consumption connecting piece, and the interlayer connecting node is positioned at the position with smaller column bending moment and is basically in an elastic state. Reasonable stress, clear force transmission path and excellent shock resistance.
The invention realizes the bending-shearing separation, so that the stress of the joint is more reasonable, the force transmission path is more definite, the energy consumption performance capability of the joint is improved, and meanwhile, the prefabricated column end parts have no overhanging reinforcing steel bars, so that the efficient assembly can be realized.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The primary object and other advantages of the invention may be realized and attained by means of the instrumentalities and particularly pointed out in the specification.
Drawings
The invention is described in further detail below with reference to the accompanying drawings.
FIG. 1 is a schematic view of the basic composition of the present invention;
FIG. 2 is a schematic diagram of an energy consuming connector of the present invention;
FIG. 3 is a plan view of a primary shear key slot plate;
FIG. 4 is a schematic view of a shear key slot assembly assembled;
FIG. 5 is a schematic diagram of node composition according to embodiment 1 of the present invention;
FIG. 6 is a perspective view of example 1;
FIG. 7 is section A-A of FIG. 5;
FIG. 8 is a schematic diagram of a pre-buried connector and an energy consuming connector connection;
FIG. 9 is a schematic diagram of node composition according to embodiment 3 of the present invention;
FIG. 10 is a section A-A of FIG. 9;
FIG. 11 is a schematic illustration of a pre-buried connector and an energy consuming connector connection;
FIG. 12 is a schematic view of a shear key slot assembly;
fig. 13 is a schematic structural diagram of the embedded connector of embodiment 3.
Reference numerals: 1-foundation, 2-reinforcing bar splice, 3-first layer post, 4-pre-buried connecting piece, 5-shear key groove subassembly, 6-upper column, 7-power consumption connecting piece, 8-square opening, 9-third round hole, 10-first shear key groove board, 11-second shear key groove board, 12-first round hole, 13-second round hole, 14-power consumption connect plug, 15-steel sleeve pipe, 16-backing plate.
Detailed Description
The following examples are given by way of illustration only and are not to be construed as limiting the scope of the invention.
Example 1
In order to achieve the purpose of bending-shearing separation, the stress of the node is more reasonable, the force transmission path is more definite, the energy consumption capability of the node is improved, meanwhile, the prefabricated frame column vertical dry type connection node with the shear key groove and the construction method can achieve the purpose of efficient assembly due to the fact that no overhanging reinforcing steel bars are arranged at the end part of the prefabricated column.
Specifically, as shown in fig. 1, the foundation comprises a rectangular foundation 1, a reinforcement bar connector 2 pre-buried in the foundation 1, a first-layer column 3 with the bottom arranged on the foundation 1, a pre-buried connecting piece 4 which is cross-shaped or groined-shaped, a shear key groove assembly 5, an upper-layer column 6 with the bottom arranged on the top surface of the first-layer column 3 and an energy consumption connecting piece 7, wherein the widths of the first-layer column 3 and the upper-layer column 6 are the same, and the height of the first-layer column 3 is larger than that of the upper-layer column 6. The cross section of the first-layer column 3 and the cross section of the upper-layer column 6 are square, square openings 8 are symmetrically formed in four corners of the upper portion of the first-layer column 3 and four corners of the lower portion of the upper-layer column 6 respectively, and site installation is facilitated.
As shown in fig. 5, 6, 7, the shear key slot assemblies 5 have two sets and are respectively provided at the connection nodes of the upper layer column 6 and the head layer column 3 and at the connection nodes of the head layer column 3 and the foundation 1. The connecting mode well ensures the shear force transmission of the nodes, the bending resistance and the energy consumption of the column foot connecting nodes are realized by arranging the energy consumption connecting pieces 7 at the periphery, the interlayer lengthening nodes of the prefabricated column are positioned at the position with smaller bending moment and basically in an elastic state, and the connecting mode is connected by bolts.
The embedded connecting piece 4 is arranged at the lower part of the first-layer column 3 and is perpendicular to the axial direction of the first-layer column 3, and the embedded connecting piece 4 comprises a transverse embedded pipe and a longitudinal embedded pipe. The pegs are uniformly arranged on the surfaces of the parts of the transverse embedded pipes and the longitudinal embedded pipes, which are embedded in the concrete. Ensuring that the pre-buried connecting piece 4 and the concrete of the first layer column 3 form a good whole. Specifically, as shown in fig. 8, the embedded connector 4 is cross-shaped and comprises two transverse embedded pipes and two longitudinal embedded pipes, wherein the two adjacent transverse embedded pipes are welded and fixed, and the two adjacent longitudinal embedded pipes are welded and fixed.
The end head of the transverse embedded pipe and the end head of the longitudinal embedded pipe extend out of the head layer column 3, and a third round hole 9 for penetrating through the energy consumption connecting piece 7 is formed in the end head; the bottom of the energy consumption connecting piece 7 is connected with the steel bar connector 2. The embedded connecting piece 4 can be formed by welding square steel pipes, rectangular steel pipes or steel plates and is arranged at the center position of the section of the first-layer column 3.
As shown in fig. 3, the shear key groove assembly 5 includes a first shear key groove plate 10 and a second shear key groove plate 11; the first shear key groove plate 10 is square, a groove is formed in the center of the first shear key groove plate 10, first round holes 12 for penetrating bolts are formed in four corners of the square, and anchor bars or pegs are further arranged on one side of the first shear key groove plate 10 which is embedded in concrete; the second shear key groove plate 11 is square, the center of the second shear key groove plate 11 is provided with a bulge, four square corners are provided with second round holes 13 used for penetrating bolts, and one side of the second shear key groove plate 11 embedded in concrete is further provided with anchor bars or studs.
As shown in fig. 4, after the first shear key groove plate 10 is engaged with the second shear key groove plate 11, the center of the first circular hole 12 and the center of the second circular hole 13 are located on the same axis. Width and first shear key groove plate 10 the widths of the two shear key groove plates 11 are the same; the width of the first shear key slot plate 10 is the same as the width of the head column 3. The depth of the groove is matched with the height of the protrusion. A caulking material is also arranged between the first shear key groove plate 10 and the second shear key groove plate 11; the caulking material is high-strength epoxy resin or mortar. The shear key groove component 5 is an embedded steel plate with anchor bars, so that the shear capacity of the connecting node can be well ensured.
As shown in fig. 2, the energy dissipation connecting piece 7 comprises an energy dissipation connecting core rod 14, a steel sleeve 15 sleeved outside the energy dissipation connecting core rod 14, a fastening nut and a backing plate 16, wherein a threading is arranged on the energy dissipation connecting core rod 14, and the upper end face of the third round hole 9, the lower end face of the third round hole 9 and the energy dissipation connecting core rod 14 are fixed through the fastening nut. A gap of 1-2mm is left between the energy dissipation connecting core rod 14 and the steel sleeve 15. The energy consumption connecting piece 7 adopts Q235 steel. The steel sleeve 15 is used for preventing buckling of the energy-dissipation connecting core rod 14 and achieving consistency of tension, compression and force and energy dissipation. The energy consumption connecting piece 7 reduces the yield point of the connecting piece under the condition of ensuring the connecting strength, and has better energy consumption capability.
The construction method of the prefabricated frame column vertical dry type connection node with the shear key groove comprises the following specific steps:
step one, installing a die and pouring a prefabricated column:
s1, installing a first-layer column 3 die, arranging a pre-buried connecting piece 4 in the die, arranging a first shear key groove plate 10 at the top end die of the first-layer column 3, and arranging a second shear key groove plate 11 at the bottom of the first-layer column 3;
s2, a square notch 8 is formed in the top end die;
s3, installing an upper column 6 die, and arranging a second shear key groove plate 11 at the bottom of the upper column;
s4, square openings 8 are formed in the bottoms of the upper layer columns 6;
step two, supporting a mould and pouring a foundation 1:
when the formwork is supported, a first shear key groove plate 10 is arranged at the top of the foundation 1, and a reinforcement bar connector 2 connected with the energy consumption connecting piece 7 is arranged in the foundation 1;
step three, high-strength epoxy resin is smeared on the surface of the first shear key groove plate 10 of the foundation 1;
step four, installing a first layer column 3, adjusting verticality and installing column feet:
the lower end of the energy consumption connecting core rod 14 sequentially passes through a third round hole 9 and a steel sleeve 15 on the embedded connecting piece 4 and is connected with the reinforcement coupler 2 in the foundation 1, and the upper end of the energy consumption connecting core rod 14 is fixed on the embedded connecting piece 4 by a nut; the column foot node between the first layer column 3 and the foundation 1 is matched with the shear key groove assembly 5 through the energy consumption connecting piece 7, so that dry connection of a connecting part is realized, the column foot node is matched with the shear key groove assembly 5 through bolts, dry connection of the connecting part is realized, and the assembly is convenient.
Fifthly, coating high-strength epoxy resin on the surface of the first shear key groove plate 10 at the top of the first layer column 3;
step six, installing the upper column 6, after the first shear key groove plate 10 is meshed with the second shear key groove plate 11, the circle center of the first round hole 12 and the circle center of the second round hole 13 are located on the same axis, verticality is adjusted, bolts respectively penetrate through the first round hole 12 and the second round hole 13, and are screwed and fixed, and connection of the first column 3 and the upper column 6 is completed.
The nut may be a double nut or a locknut.
Embodiment 2, a prefabricated frame column vertical dry connection node with shear key grooves and a construction method are the same as embodiment 1, and are different in that the embedded connection piece 4 is in a groined shape as shown in figures 9, 10, 11 and 12.
Embodiment 3, a prefabricated frame column vertical dry connection node with shear key grooves and a construction method are the same as embodiment 1, and are different in that, as shown in the figure 13, the embedded connection piece 4 is cross-shaped and comprises a transverse embedded pipe and a longitudinal embedded pipe. The number of the transverse embedded pipes is the same as the number of the longitudinal embedded pipes.
The prefabricated frame column vertical dry type connecting node with the shear key groove and the construction method provided by the invention are novel in column structure, outstanding in characteristics, reasonable in acceptance and clear in force transmission, and have good popularization value. The first shear key groove plates 10 are connected with the second shear key groove plates 11 in a meshed mode, and specific embedded positions of the first shear key groove plates 10 and the second shear key groove plates 11 can be flexibly arranged.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that would occur to those skilled in the art within the scope of the present invention should be covered in the scope of the present invention.
Claims (7)
1. A construction method of a vertical dry type connecting node of a prefabricated frame column with a shear key groove is characterized in that,
the prefabricated vertical dry type connection node of the frame column comprises a rectangular foundation (1), a reinforcement bar connector (2) embedded in the foundation (1), a first layer column (3) with the bottom arranged on the foundation (1), a cross or groined embedded connecting piece (4), a shear key groove component (5), an upper layer column (6) with the bottom arranged on the top surface of the first layer column (3) and an energy consumption connecting piece (7), wherein the cross section of the first layer column (3) and the cross section of the upper layer column (6) are square, and square openings (8) are symmetrically arranged at the four corners of the upper part of the first layer column (3) and the four corners of the lower part of the upper layer column (6) respectively;
the shear key groove components (5) are provided with two groups and are respectively arranged at the connecting nodes of the upper layer column (6) and the first layer column (3) and the connecting nodes of the first layer column (3) and the foundation (1);
the embedded connecting piece (4) is arranged at the lower part of the first-layer column (3) and is perpendicular to the axial direction of the first-layer column (3), the embedded connecting piece (4) comprises a transverse embedded pipe and a longitudinal embedded pipe, the end head of the transverse embedded pipe and the end head of the longitudinal embedded pipe extend out of the first-layer column (3), and a third round hole (9) for penetrating through the energy consumption connecting piece (7) is formed in the end head; the bottom of the energy consumption connecting piece (7) is connected with the reinforcement bar connector (2); the height of the first layer column (3) is larger than that of the upper layer column (6); the shear key groove assembly (5) comprises a first shear key groove plate (10) and a second shear key groove plate (11);
the first shear key groove plate (10) is square, a groove is formed in the center of the first shear key groove plate (10), first round holes (12) used for penetrating bolts are formed in four corners of the square, and anchor bars or bolts are further arranged on one side of the first shear key groove plate (10) which is embedded in concrete;
the second shear key groove plate (11) is square, a bulge is arranged in the center of the second shear key groove plate (11), second round holes (13) for penetrating bolts are formed in four corners of the square, and anchor bars or pegs are further arranged on one side of the second shear key groove plate (11) which is pre-buried in concrete;
after the first shear key groove plate (10) is meshed with the second shear key groove plate (11), the circle center of the first round hole (12) and the circle center of the second round hole (13) are positioned on the same axis;
the method comprises the following specific steps:
step one, installing a die and pouring a prefabricated column:
s1, installing a die of a first-layer column (3), arranging a pre-buried connecting piece (4) in the die, arranging a first shear key groove plate (10) at the top end die of the first-layer column (3), and arranging a second shear key groove plate (11) at the bottom of the first-layer column (3);
s2, a square notch (8) is formed in the top end die;
s3, installing an upper column (6) die, and arranging a second shear key groove plate (11) at the bottom of the upper column;
s4, arranging square openings (8) at the bottom of the upper column (6);
step two, supporting a mould and pouring a foundation (1):
when the formwork is supported, a first shear key groove plate (10) is arranged at the top of the foundation (1), and a reinforcement bar connector (2) connected with the energy consumption connecting piece (7) is arranged in the foundation (1);
step three, coating high-strength epoxy resin on the surface of the first shear key groove plate (10) of the foundation (1);
step four, installing a first layer column (3), adjusting verticality and installing column feet:
the lower end of the energy consumption connecting core rod (14) sequentially passes through a third round hole (9) and a steel sleeve (15) on the embedded connecting piece (4) and is connected with the reinforcement connector (2) in the foundation (1), and the upper end of the energy consumption connecting core rod (14) is fixed on the embedded connecting piece (4) by a nut;
fifthly, coating high-strength epoxy resin on the surface of a first shear key groove plate (10) at the top of the first layer column (3);
step six, installing an upper column (6), after the first shear key groove plate (10) is meshed with the second shear key groove plate (11), the circle center of the first round hole (12) and the circle center of the second round hole (13) are located on the same axis, verticality is adjusted, bolts respectively penetrate through the first round hole (12) and the second round hole (13), and the bolts are screwed down and fixed to finish connection of the first column (3) and the upper column (6).
2. A method according to claim 1, characterized in that the width of the first shear key slot plate (10) is the same as the width of the second shear key slot plate (11); the width of the first shear key groove plate (10) is the same as the width of the first layer column (3).
3. The method of claim 1, wherein the depth of the grooves and the height of the protrusions are adapted.
4. A method according to claim 1, characterized in that a caulking material is further provided between the first shear key groove plate (10) and the second shear key groove plate (11); the caulking material is high-strength epoxy resin or mortar.
5. The method according to claim 1, characterized in that the energy consumption connecting piece (7) comprises an energy consumption connecting core rod (14), a steel sleeve (15) sleeved outside the energy consumption connecting core rod (14), a fastening nut and a backing plate (16), a threading is arranged on the energy consumption connecting core rod (14), and the upper end face of the third round hole (9), the lower end face of the third round hole (9) and the energy consumption connecting core rod (14) are fixed through the fastening nut.
6. A method according to claim 1, characterized in that a gap of 1-2mm is left between the dissipative connecting core rod (14) and the steel sleeve (15).
7. A method according to claim 1, characterized in that the energy consuming connection (7) is made of Q235 steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910515853.1A CN110258790B (en) | 2019-06-14 | 2019-06-14 | Vertical dry type connecting node with shear key groove for prefabricated frame column and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910515853.1A CN110258790B (en) | 2019-06-14 | 2019-06-14 | Vertical dry type connecting node with shear key groove for prefabricated frame column and construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110258790A CN110258790A (en) | 2019-09-20 |
| CN110258790B true CN110258790B (en) | 2024-04-09 |
Family
ID=67918409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910515853.1A Active CN110258790B (en) | 2019-06-14 | 2019-06-14 | Vertical dry type connecting node with shear key groove for prefabricated frame column and construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110258790B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112196121B (en) * | 2020-09-27 | 2021-08-24 | 青岛理工大学 | Bamboo joint type energy-consumption concrete filled steel tube column base node and installation method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014095279A (en) * | 2012-11-09 | 2014-05-22 | Nagoya Structure Design Inc | Foundation structure and joint structure between steel column and foundation |
| CN108487456A (en) * | 2018-03-09 | 2018-09-04 | 中国建筑股份有限公司 | A kind of not damaged prefabricated assembled frame structure system and its construction method of consuming energy |
| CN108978848A (en) * | 2018-06-25 | 2018-12-11 | 中民筑友房屋科技有限公司 | A kind of assembly method of low-rise freame structural system |
| CN109706956A (en) * | 2019-01-24 | 2019-05-03 | 沈阳建筑大学 | A kind of rectangular built-in fitting device with circular hole |
| CN210562613U (en) * | 2019-06-14 | 2020-05-19 | 中国建筑股份有限公司 | Vertical dry-type connecting node of prefabricated assembled frame post of keyway that shears in area |
-
2019
- 2019-06-14 CN CN201910515853.1A patent/CN110258790B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014095279A (en) * | 2012-11-09 | 2014-05-22 | Nagoya Structure Design Inc | Foundation structure and joint structure between steel column and foundation |
| CN108487456A (en) * | 2018-03-09 | 2018-09-04 | 中国建筑股份有限公司 | A kind of not damaged prefabricated assembled frame structure system and its construction method of consuming energy |
| CN108978848A (en) * | 2018-06-25 | 2018-12-11 | 中民筑友房屋科技有限公司 | A kind of assembly method of low-rise freame structural system |
| CN109706956A (en) * | 2019-01-24 | 2019-05-03 | 沈阳建筑大学 | A kind of rectangular built-in fitting device with circular hole |
| CN210562613U (en) * | 2019-06-14 | 2020-05-19 | 中国建筑股份有限公司 | Vertical dry-type connecting node of prefabricated assembled frame post of keyway that shears in area |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110258790A (en) | 2019-09-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110258789B (en) | Beam column connecting node with replaceable energy-consumption steel bar and construction method thereof | |
| CN110565797B (en) | Hidden corbel type beam-column joint connection method for shock absorption | |
| CN110258790B (en) | Vertical dry type connecting node with shear key groove for prefabricated frame column and construction method | |
| CN111648467B (en) | High-position splicing energy-consumption beam column node and manufacturing method | |
| CN110924522B (en) | Steel plate interface connecting structure and connecting method for reinforced concrete beam and column | |
| CN218622790U (en) | Antidetonation coincide wall | |
| CN111335464A (en) | Fabricated concrete structure beam column connecting node and construction method thereof | |
| CN111021616A (en) | Full-embedded steel beam composite floor and construction method thereof | |
| CN210562613U (en) | Vertical dry-type connecting node of prefabricated assembled frame post of keyway that shears in area | |
| CN114753489B (en) | Prefabricated beam column node and novel assembled reinforced concrete building thereof | |
| CN110130485A (en) | A kind of prefabricated assembled bean column node and its assembly method with tooth plate | |
| CN115680116A (en) | Assembled frame beam column connecting node and construction method thereof | |
| CN212926451U (en) | Column base connecting assembly, prefabricated column and prefabricated column connecting structure | |
| CN114775799A (en) | Hoop type steel reinforced concrete beam column dry type node structure | |
| CN210002552U (en) | Beam column joint with additional rib | |
| CN113445652A (en) | Plate end slotted hole SP hollow composite slab-steel beam connecting structure and construction method thereof | |
| CN113006274A (en) | Novel prefabricated frame construction beam column dry-type connected node | |
| CN108385834B (en) | Assembly type prefabricated beam column node and construction method | |
| CN110984367A (en) | Assembly type building frame structure member and construction method thereof | |
| CN110725474A (en) | Self-standing semi-dry prefabricated column connection and construction method thereof | |
| CN219863297U (en) | Assembled reinforced concrete beam column connected node | |
| CN212506733U (en) | Assembled concrete structure beam column connected node | |
| CN218028322U (en) | Assembled steel-concrete structural member and connection structure | |
| CN219045169U (en) | Assembled prefabricated reinforced concrete independent column foundation | |
| CN211665927U (en) | Prestress assembling frame structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant |