CN116180896A - Assembled wood reticulated shell bolt connection node and construction method thereof - Google Patents
Assembled wood reticulated shell bolt connection node and construction method thereof Download PDFInfo
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- CN116180896A CN116180896A CN202310119988.2A CN202310119988A CN116180896A CN 116180896 A CN116180896 A CN 116180896A CN 202310119988 A CN202310119988 A CN 202310119988A CN 116180896 A CN116180896 A CN 116180896A
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- 239000002023 wood Substances 0.000 title claims abstract description 86
- 238000010276 construction Methods 0.000 title claims abstract description 33
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 70
- 239000010959 steel Substances 0.000 claims abstract description 70
- 238000012545 processing Methods 0.000 claims abstract description 13
- 238000009434 installation Methods 0.000 claims abstract description 8
- 238000013461 design Methods 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 11
- 238000010008 shearing Methods 0.000 claims description 11
- 238000005452 bending Methods 0.000 claims description 7
- 238000004364 calculation method Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 230000006835 compression Effects 0.000 abstract description 3
- 238000007906 compression Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000004904 shortening Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- 238000009417 prefabrication Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 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
- E04B1/26—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of wood
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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
- E04B1/26—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of wood
- E04B1/2604—Connections specially adapted therefor
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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
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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
- 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
- E04B1/26—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of wood
- E04B1/2604—Connections specially adapted therefor
- E04B2001/2676—Connector nodes
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- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention discloses an assembled wood reticulated shell bolt connection node and a construction method thereof, wherein the assembled wood reticulated shell bolt connection node comprises a wood rod piece, and the cross section of the wood rod piece is rectangular; the T-shaped piece consists of a horizontal steel plate and a vertical steel plate; the steel core tube is provided with bolt holes at the upper part and the lower part respectively; the bearing bolt group is positioned at the bolt of the compression area at the upper part of the node; tensile bolt groups and bolts positioned in tension areas at the lower parts of the nodes; the shear-resistant bolt group is used for connecting bolts of the wood rod piece and the steel node; the invention belongs to the technical field of building structure engineering; according to the assembled wood reticulated shell bolt connection node, the connection of the wood rod pieces and the T-shaped pieces is realized in a processing plant, the number of bolt connections on a construction site is greatly reduced, the construction period is effectively shortened, the assembly of the rod pieces with different included angles in the reticulated shell is realized by changing the size of the horizontal steel plate in the T-shaped piece, the structure is simple, the installation is convenient, the force transmission is reliable, the assembly of the wood reticulated shell node is realized, and the technical effect of effectively shortening the construction period is realized.
Description
Technical Field
The invention belongs to the technical field of building structure engineering, and particularly relates to an assembled wood reticulated shell bolt connection node and a construction method thereof.
Background
Along with the improvement of the industrialization degree of the wood industry and the maturity of the manufacturing technology, the occurrence of various engineering wood products breaks the limitation of the wood size, lays a foundation for the development of a large-span wood structure, and has the advantages of attractive appearance, reasonable stress and convenient construction, is very suitable for large-scale public buildings such as playgrounds, exhibition halls and the like, and is an ideal form of the large-span space wood structure.
The node is used as the key of the stress of the reticulated shell structure, and is important for the design and research of the node. The connecting mode of the rod piece in the existing veneer wood reticulated shell mainly comprises a bolt connecting node, a bar planting connecting node and the like, and the steel connecting piece and the wood rod piece in the node area are respectively processed in a factory and are connected on site, wherein the bolt connecting node is clear in force transmission, the component is convenient to manufacture and install, and the factory prefabrication production is easy, so that the wood veneer wood reticulated shell is widely applied.
However, the bolt connection node has the problems of low engineering prefabrication degree, complex field construction and the like, and if the number of the bolt connection is large, the bolt arrangement in the node area is generally complex, and the difficulty is increased for the field construction especially for a large-span structure. In general, although the existing glued wood reticulated shell has an implementation method, the existing glued wood reticulated shell still lacks a standardized node design with simple production and installation and excellent mechanical properties, and cannot meet the large trend of high-speed development of the existing assembled wood structure.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an assembled wood reticulated shell bolt connection node and a construction method thereof, and solves the problems.
In order to achieve the above purpose, the invention is realized by the following technical scheme: an assembled wood reticulated shell bolt connection node and a construction method thereof, comprising:
the cross section of the wood rod piece is rectangular, the wood rod piece is provided with a slot and a hole, the slot is used for inserting a steel plate, and the hole is used for inserting a bolt to be connected with the steel plate;
the T-shaped piece consists of a horizontal steel plate and a vertical steel plate, the horizontal steel plate is provided with bolt holes, the holes are used for being connected with the wood rod piece through bolts, the upper part and the lower part of the vertical steel plate are respectively provided with the bolt holes, and the holes are used for being connected with the steel core tube;
the steel core tube is provided with bolt holes at the upper part and the lower part, and the holes are used for connecting with the T-shaped piece;
the bearing bolt group is positioned at the bolt of the compression area at the upper part of the node and is used for connecting the upper part of the steel core tube with the upper part of the T-shaped piece and mainly bearing pressure;
the tensile bolt group is positioned at the bolt of the tension zone at the lower part of the node and is used for connecting the lower part of the steel core tube with the lower part of the T-shaped piece and mainly bears the tension;
shear-resistant bolt group is used for the bolt of connecting wood member and steel node, mainly bears the shear force.
Based on the technical scheme, the invention also provides the following optional technical schemes:
the technical scheme is as follows: and different clamping rod pieces in the net shell structure are connected by adjusting the size of the horizontal steel plate in the T-shaped piece.
The technical scheme is as follows: the height of the steel core tube is larger than the height h of the wood rod piece, and the height of the steel core tube is (h+4l) h ) The steel core tube width b is equal to the wood rod width.
The technical scheme is as follows: when the tensile bolt group is calculated, the tensile and shearing bearing capacity of the bolts is calculated according to the following calculation mode:
wherein N is t And N v Respectively the tensile force and the shearing force borne by the bolts; m is the bending moment at the node; n is the shaft pressure at the node; v is the shear force at the node; n is the number of compressive and tensile bolts of the bolt group;
is the design value of the shearing resistance, tensile resistance and bearing capacity of the bolt; d, d e Is the effective diameter of the bolt at the thread; />
Is the design value of the tensile strength of the bolt; d is the bolt diameter; />
Is the design value of the shear strength of the bolt; Σt is the smaller value of the total thickness of the pressure-bearing member in one of the different force-bearing directions; />
Is the design value of the bearing strength of the bolt.
The technical scheme is as follows: calculating the bearing capacity Z of each shear surface d The formula is as follows:
Z d ＝C m C n C t k g Z
wherein C is m The water content is adjusted to be a coefficient; c (C) n Adjusting the coefficient for designing the service life; c (C) t Is a temperature adjustment coefficient; k (k) g Is a group bolt combination coefficient; z is a reference design value of the bearing capacity,
Z＝k min t s df es
wherein k is min The pin groove bearing minimum effective length coefficient of the thinner component in single-shear connection or the edge component in double-shear connection; t is t s Taking the thickness of a steel plate; d, taking the diameter of the bolt; f (f) es Is a standard value of the bearing strength of the pin and groove of the component,
taking the geometric center of the bolt group as an origin, taking the horizontal direction as an x axis, taking the vertical direction as a y axis, and setting the coordinate of each bolt as (x i ,y i ) The force each bolt bears is then as follows:
wherein M is a bending moment at the node; n is the shaft pressure at the node; v is the shear force at the node; n is the number of bolts; r is (r) i Is the distance of the bolt i from the geometric center of the bolt cluster.
The technical scheme is as follows: the grooving width of the wood rod piece is slightly larger than the thickness (1-2 mm) of the horizontal steel plate of the T-shaped piece, and the diameter of the bolt hole is slightly larger than the diameter (1-2 mm) of the bolt.
The technical scheme is as follows: the installation of the T-shaped piece and the wood rod piece is realized in a factory.
The technical scheme is as follows: the assembled wood reticulated shell bolt connection node and the construction method thereof comprise the following steps:
s1: processing the wood rod piece in a processing plant, slotting and perforating according to the design,
s2: assembling the wood bars and the T-shaped pieces together through a shear bolt group in a processing plant;
s3: the T-shaped piece and the steel core tube are connected together through a pressure-bearing bolt group and a tensile bolt group.
The technical scheme is as follows: the control parameters considered by the node design include: wood rod angle, shear bolt group diameter, spacing and edge distance, T-shaped piece steel plate thickness, steel core barrel height and plate thickness, pressure-bearing bolt group and tensile bolt group bolt diameter and arrangement.
Advantageous effects
The invention provides an assembled wood reticulated shell bolt connection node and a construction method thereof. Compared with the prior art, the method has the following beneficial effects:
1. the T-shaped piece is connected with the steel core tube through the pressure-bearing bolt group and the tensile bolt group, so that the connection is convenient and quick, and the bearing capacity not lower than the bearing capacity of welding connection can be realized based on reasonable design;
2. the connection of the T-shaped piece and the wood component can be finished in advance in a factory and transported to a construction site, so that the number of the bolt connections of the construction site is greatly reduced, and the construction period is effectively shortened;
3. the invention has simple structure, convenient processing and installation, clear and reliable force transmission and attractive node form.
Drawings
Fig. 1 is a schematic diagram of the composition structure of the assembled wood reticulated shell bolting node of the present invention.
Fig. 2 is a schematic diagram of parameter symbol labels of the assembled wood reticulated shell bolting node of the present invention.
FIG. 3 is a schematic view of the structure of the T-piece and wood pole of the present invention after being joined by shear bolt clusters.
Fig. 4 is a schematic structural view of the T-piece and wood pole of the present invention assembled and connected to a steel core tube.
Fig. 5 is a schematic diagram of the front structure of the assembled wood reticulated shell bolting node of the present invention.
Fig. 6 is a schematic top view of an assembled wood reticulated shell bolting node of the present invention.
Fig. 7 is a schematic view of the assembled wood reticulated shell bolting node of the present invention applied to rods of different included angles in the reticulated shell.
Fig. 8 is a schematic diagram of modeling analysis of a traditional wood reticulated shell bolting node structure according to the comparison of the present invention.
Fig. 9 is a schematic diagram of modeling analysis of an assembled wood reticulated shell bolting node structure of the present invention.
Fig. 10 is a schematic diagram showing the comparison of the bearing capacity of the assembled wood reticulated shell bolting node according to the present invention and the conventional wood reticulated shell bolting node.
Reference numerals annotate: 1. a wood member; 2. a T-piece; 3. a steel core tube; 4. a pressure-bearing bolt group; 5. a group of tensile bolts; 6. shear bolt group.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Specific implementations of the invention are described in detail below in connection with specific embodiments.
Referring to fig. 1 to 7, for providing an assembled wood reticulated shell bolting node and a construction method thereof according to an embodiment of the present invention, the method includes:
the section of the wood rod piece 1 is rectangular, the wood rod piece 1 is provided with a slot and a hole, the slot is used for inserting a steel plate, and the hole is used for inserting a bolt to be connected with the steel plate;
the T-shaped piece 2 consists of a horizontal steel plate and a vertical steel plate, wherein the horizontal steel plate is provided with bolt holes, the holes are used for being connected with the wood rod piece 1 through bolts, the upper part and the lower part of the vertical steel plate are respectively provided with the bolt holes, and the holes are used for being connected with the steel core tube 3;
the steel core tube 3 is provided with bolt holes at the upper and lower parts, and the holes are used for connecting with the T-shaped piece 2;
the bearing bolt group 4 is positioned at a compression area at the upper part of the node and is used for connecting the upper part of the steel core tube with the upper part of the T-shaped piece 2 and mainly bearing pressure;
the tensile bolt group 5 is positioned at the lower tension zone of the node and is used for connecting the lower part of the steel core tube 3 with the lower part of the T-shaped piece 2 and mainly bears the tensile force;
Preferably, the height of the steel core tube 3 is larger than the height h of the wood rod piece 1, and the height of the steel core tube 3 is (h+4l) h ) The width b of the steel core tube 3 is equal to the width of the wood member 1.
Preferably, in calculating the tensile bolt group 5, the bolt tensile and shear bearing forces should be calculated according to the following calculation method:
wherein N is t And N v Respectively a tensile force (N) and a shearing force (N) borne by the bolts; m is the bending moment (N.mm) at the node; n is the shaft pressure (N) at the node; v is the shear force (N) at the node; n is the number of compressive and tensile bolts of the bolt group;
is a design value (N) of shearing resistance, tensile resistance and bearing capacity of the bolt; d, d e Is the effective diameter (mm) of the bolt at the thread; />
Is the design value of the tensile strength of the bolt (N/mm 2 ) The method comprises the steps of carrying out a first treatment on the surface of the d is the bolt diameter (mm); />
Is the design value of the shear strength of the bolt (N/mm 2 ) The method comprises the steps of carrying out a first treatment on the surface of the Σt is the smaller value (mm) of the total thickness of the pressure-bearing member in one of the different force-bearing directions;
is the design value of the bearing strength (N/mm) 2 )。
Preferably, the bearing capacity Z of each shear surface is calculated d The formula is as follows:
Z d ＝C m C n C t k g Z
wherein C is m The water content is adjusted to be a coefficient; c (C) n Adjusting the coefficient for designing the service life; c (C) t Is a temperature adjustment coefficient; k (k) g Is a group bolt combination coefficient; z is a bearing capacity reference design value (N),
Z＝k min t s df es
wherein k is min The pin groove bearing minimum effective length coefficient of the thinner component in single-shear connection or the edge component in double-shear connection; t is t s Taking the thickness (mm) of the steel plate; d, taking the diameter (mm) of the bolt; f (f) es Is the standard value (N/mm) of the bearing strength of the pin groove of the component 2 )，
Taking the geometric center of the bolt group as an origin, taking the horizontal direction as an x axis, taking the vertical direction as a y axis, and setting the coordinate of each bolt as (x i ,y i ) The force each bolt bears is then as follows:
wherein M is the bending moment (N.mm) at the node; n is the shaft pressure (N) at the node; v is the shear force (N) at the node; n is the number of bolts; r is (r) i Is the distance (mm) of the bolt i from the geometric center of the bolt cluster.
In the embodiment of the invention, the connection of the wood rod piece 1 and the T-shaped piece 2 is realized at the assembly type wood net shell bolt connection node in a processing plant, so that the number of the bolt connections on a construction site is greatly reduced, the construction period is effectively shortened, and the technical effect of assembling the rod pieces with different included angles in the net shell is realized by changing the size of the horizontal steel plate in the T-shaped piece 2.
Referring to fig. 1 to 7, as an embodiment of the present invention, a construction method of an assembled wood reticulated shell bolting node includes the following steps:
s1: processing the wood rod piece 1 in a processing plant, and grooving and perforating according to the design;
s2: assembling the wood bars 1 and the T-shaped pieces 2 together through the shear bolt group 6 in a processing plant;
s3: the T-shaped piece 2 and the steel core tube 3 are connected together through the pressure-bearing bolt group 4 and the tensile bolt group 5.
In the embodiment of the invention, considering that the bolt groups are stressed differently, the bolt groups are divided into a pressure-bearing bolt group 4, a tensile bolt group 5 and a shear bolt group 6, the wood rod piece 1 and the T-shaped piece 2 are connected through the shear bolt group 6, the step is prefabricated in a processing plant, the field construction installation efficiency is effectively improved, the T-shaped piece 2 is connected with the steel core tube 3 through bolts, and for the condition that the rod piece in the net shell is mainly subjected to axial force and bears bending moment, the upper bolt is the pressure-bearing bolt group 4, and the lower bolt is the tensile bolt group 5.
Referring to fig. 1 to 10, as an embodiment of the present invention, the control parameters to be considered by the node design include: the angle of the wood rod piece 1, the diameter, the distance and the margin of the shearing bolt group 6, the thickness of a steel plate of the T-shaped piece 2, the height and the thickness of a steel core tube 3, and the diameters and the arrangement of the bolts of the bearing bolt group 4 and the tensile bolt group 5.
Preferably, the slotting width of the wood rod piece 1 is slightly larger than the thickness (1-2 mm) of the horizontal steel plate of the T-shaped piece 2, and the diameter of the bolt hole is slightly larger than the diameter (1-2 mm) of the bolt. The purpose of this arrangement is to achieve the objective of taking into account machining errors.
In the embodiment of the invention, on the basis of the traditional wood reticulated shell bolt connection node, improvement and optimization are carried out in consideration of improving the site construction installation efficiency, and the assembled wood reticulated shell bolt connection node is obtained, as shown in fig. 8-10, modeling analysis is carried out on the two nodes, so that the bearing capacity of the assembled wood reticulated shell bolt connection node is close to that of the traditional wood reticulated shell bolt connection node, the rigidity is smaller than that of the traditional wood reticulated shell bolt connection node, but the prefabrication degree of the node is high, the site construction installation efficiency can be greatly improved, and the aim of popularization and use in engineering is fulfilled.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides an assembled wood reticulated shell bolted connection node and construction method thereof which is characterized in that the node comprises:
the cross section of the wood rod piece (1) is rectangular, the wood rod piece (1) is provided with a slot and a hole, the slot is used for inserting a steel plate, and the hole is used for inserting a bolt to be connected with the steel plate;
the T-shaped piece (2) consists of a horizontal steel plate and a vertical steel plate, the horizontal steel plate is provided with bolt holes, the holes are used for being connected with the wood rod piece (1) through bolts, the upper part and the lower part of the vertical steel plate are respectively provided with bolt holes, and the holes are used for being connected with the steel core tube (3);
the steel core tube (3) is provided with bolt holes at the upper part and the lower part, and the holes are used for connecting with the T-shaped piece (2);
the pressure-bearing bolt group (4) is positioned at the upper pressure-bearing area of the node and is used for connecting the upper part of the steel core tube (3) with the upper part of the T-shaped piece (2) and mainly bearing pressure;
the tensile bolt group (5) is positioned at the lower tension zone of the node and is used for connecting the lower part of the steel core tube (3) with the lower part of the T-shaped piece (2) and mainly bears the tension;
and the shear-resistant bolt group (6) is used for connecting bolts of the wood rod (1) and the steel nodes and mainly bears shearing force.
2. The assembled wood reticulated shell bolting node and the construction method thereof according to claim 1, wherein rods with different included angles in the reticulated shell structure are connected by adjusting the size of the horizontal steel plates in the T-shaped member (2).
3. The assembled wood-reticulated shell bolting node and the construction method thereof according to claim 1, wherein the height of the steel core tube (3) is larger than the height h of the wood rod member (1), and the height of the steel core tube (3) is (h+4l) h ) The width b of the steel core tube (3) is equal to the width of the wood member (1).
4. The assembled wood-reticulated shell bolting node and the construction method thereof according to claim 1, wherein when calculating the tensile bolt group (5), the bolt tensile and shear bearing capacities should be calculated according to the following calculation method:
wherein N is t And N v Respectively the tensile force and the shearing force borne by the bolts; m is the bending moment at the node; n is the shaft pressure at the node; v is the shear force at the node; n is the number of compressive and tensile bolts of the bolt group;
is the design value of the shearing resistance, tensile resistance and bearing capacity of the bolt; d, d e Is the effective diameter of the bolt at the thread; />
Is the design value of the tensile strength of the bolt; d is the bolt diameter; />
Is the design value of the shear strength of the bolt; sigma t isA lesser value of the total thickness of the pressure-bearing member in one of the different force-bearing directions; />
Is the design value of the bearing strength of the bolt.
5. The assembled wood-reticulated shell bolting node and the construction method thereof according to claim 1, wherein the bearing capacity Z of each shear surface is calculated d The formula is as follows:
Z d ＝C m C n C t k g Z
wherein C is m The water content is adjusted to be a coefficient; c (C) n Adjusting the coefficient for designing the service life; c (C) t Is a temperature adjustment coefficient; k (k) g Is a group bolt combination coefficient; z is a reference design value of the bearing capacity,
Z＝k min t s df es
wherein k is min The pin groove bearing minimum effective length coefficient of the thinner component in single-shear connection or the edge component in double-shear connection; t is t s Taking the thickness of a steel plate; d, taking the diameter of the bolt; f (f) es Is a standard value of the bearing strength of the pin and groove of the component,
taking the geometric center of the bolt group as an origin, taking the horizontal direction as an x axis, taking the vertical direction as a y axis, and setting the coordinate of each bolt as (x i ，y i ) The force each bolt bears is then as follows:
wherein M is a bending moment at the node; n is the shaft pressure at the node; v is the shear force at the node; n is the number of bolts; r is (r) i Is the distance of the bolt i from the geometric center of the bolt cluster.
6. The assembled wood reticulated shell bolt connection node and the construction method thereof according to claim 1, wherein the grooving width of the wood rod piece (1) is slightly larger than the thickness of the horizontal steel plate of the T-shaped piece (2), and the diameter of the bolt hole is slightly larger than the diameter of the bolt.
7. The assembled wood-reticulated shell bolting node and method of construction according to claim 1, characterized in that the installation of the T-piece (2) and the wood-rod piece (1) is carried out at the factory.
8. The assembled wood net shell bolting node and the construction method thereof according to claims 1-7, characterized by comprising the steps of:
s1: processing the wood rod piece (1) in a processing plant, slotting and perforating according to the design,
s2: assembling the wood rod piece (1) and the T-shaped piece (2) together through a shear bolt group (6) in a processing plant;
s3: the T-shaped piece (2) and the steel core tube (3) are connected together through the pressure-bearing bolt group (4) and the tensile bolt group (5).
9. The fabricated wood reticulated shell bolting node and method of construction thereof according to claim 8, wherein the control parameters considered by the node design include: the angle of the wood rod piece (1), the diameter, the distance and the margin of the shearing bolt group (6), the thickness of a steel plate of the T-shaped piece (2), the height and the thickness of a steel core tube (3), and the diameters and the arrangement of the bolts of the bearing bolt group (4) and the tensile bolt group (5).
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116657761A (en) * | 2023-06-15 | 2023-08-29 | 四川省建筑设计研究院有限公司 | FRP precast beam column node with shearing connectors and construction method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107605043A (en) * | 2017-09-15 | 2018-01-19 | 青岛腾远设计事务所有限公司 | A kind of inner ring ribbing assembling type node across timber structure greatly |
| CN109505357A (en) * | 2017-09-15 | 2019-03-22 | 青岛理工大学 | Manufacturing method of large-span wood structure assembled node |
| CN113293861A (en) * | 2021-05-11 | 2021-08-24 | 扬州大学 | Prefabricated assembly cup joint type steel-wood beam column joint |
| CN215563405U (en) * | 2021-06-25 | 2022-01-18 | 南京林业大学 | Energy dissipation and shock absorption node for beam column of multi-story high-rise heavy bamboo-wood frame structure |
-
2023
- 2023-02-10 CN CN202310119988.2A patent/CN116180896A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107605043A (en) * | 2017-09-15 | 2018-01-19 | 青岛腾远设计事务所有限公司 | A kind of inner ring ribbing assembling type node across timber structure greatly |
| CN109505357A (en) * | 2017-09-15 | 2019-03-22 | 青岛理工大学 | Manufacturing method of large-span wood structure assembled node |
| CN113293861A (en) * | 2021-05-11 | 2021-08-24 | 扬州大学 | Prefabricated assembly cup joint type steel-wood beam column joint |
| CN215563405U (en) * | 2021-06-25 | 2022-01-18 | 南京林业大学 | Energy dissipation and shock absorption node for beam column of multi-story high-rise heavy bamboo-wood frame structure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116657761A (en) * | 2023-06-15 | 2023-08-29 | 四川省建筑设计研究院有限公司 | FRP precast beam column node with shearing connectors and construction method thereof |
| CN116657761B (en) * | 2023-06-15 | 2023-11-28 | 四川省建筑设计研究院有限公司 | FRP precast beam column node with shearing connectors and construction method thereof |
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