CN117107923A - Wood structural member splicing node and splicing method - Google Patents
Wood structural member splicing node and splicing method Download PDFInfo
- Publication number
- CN117107923A CN117107923A CN202310896641.9A CN202310896641A CN117107923A CN 117107923 A CN117107923 A CN 117107923A CN 202310896641 A CN202310896641 A CN 202310896641A CN 117107923 A CN117107923 A CN 117107923A
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- hole
- wood
- structural member
- wood structural
- steel
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- 239000002023 wood Substances 0.000 title claims abstract description 143
- 238000000034 method Methods 0.000 title claims abstract description 10
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 129
- 239000010959 steel Substances 0.000 claims abstract description 129
- 239000000463 material Substances 0.000 claims abstract description 5
- 239000000853 adhesive Substances 0.000 claims description 32
- 230000001070 adhesive effect Effects 0.000 claims description 32
- 239000003292 glue Substances 0.000 claims description 13
- 238000002347 injection Methods 0.000 claims description 13
- 239000007924 injection Substances 0.000 claims description 13
- 239000011248 coating agent Substances 0.000 claims description 9
- 238000000576 coating method Methods 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 238000010008 shearing Methods 0.000 claims description 6
- 238000005452 bending Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000754 Wrought iron Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- FDZZZRQASAIRJF-UHFFFAOYSA-M malachite green Chemical compound [Cl-].C1=CC(N(C)C)=CC=C1C(C=1C=CC=CC=1)=C1C=CC(=[N+](C)C)C=C1 FDZZZRQASAIRJF-UHFFFAOYSA-M 0.000 description 1
Abstract
The invention relates to the field of building structures, and discloses a splicing node and a splicing method for wood structural members. Connecting holes are formed in the end faces of two adjacent wood structural members, connecting steel bars are placed in the connecting holes, and then steel sleeves are sleeved outside the two wood structural members; and the connecting steel bar is provided with a threaded hole matched with the connecting bolt, and the steel sleeve and the wood structural member are provided with through holes matched with the threaded holes, and the connecting steel bar, the wood structural member and the steel sleeve are connected into a whole through the connecting bolt passing through the through holes and the threaded holes. The radial directions of the two wood structural members are limited by using the connecting steel rod and the steel sleeve, and the axial directions of the two wood structural members are limited by using the cooperation of the connecting bolts and the threaded holes. The connection of two wood structural members is changed into the connection between the connection steel rod and the connection sleeve, and the parts at the spliced part are steel materials, so that the strength of the parts is far higher than that of wood, and the strength of the spliced node can be ensured.
Description
Technical Field
The invention relates to the field of building structures, in particular to a splicing node and a splicing method for wood structural members.
Background
The wood structure building is popular because of the advantages of easy construction, environment friendliness, warmness in winter and cool in summer, energy conservation and environment friendliness, low carbon and environment friendliness, close to nature and the like. In addition, along with the continuous release of the China green building policy, the wood structure is a renewable resource due to the green environment-friendly material, and the advantages in the field of building structures are increasingly remarkable, so that the wood structure building is increasingly widely applied. Because the wood structural member is often processed by log, the size of the wood structural member is limited, and when the wood structural member is applied to house construction, the condition that the length of the member is not satisfied often appears, so the member is required to be spliced, but the wood structural member cannot be directly spliced like a steel member, the shearing strength in the grain direction is lower, and the joint strength is difficult to ensure by a common splicing mode.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a splicing node and a splicing method for wood structural members, which can ensure the strength of the node while realizing the lengthening of the splicing of the members.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the utility model provides a timber structure component concatenation node which characterized in that: comprising
The cross sections of the two adjacent wood structure members are circular, connecting holes distributed along the length direction of the wood structure are formed in the adjacent end faces of the two adjacent wood structure members, the cross sections of the two connecting holes are the same in size, and the positions of the end faces of the wood structure members are the same;
the section size of the connecting steel rod is matched with the section size of the connecting hole, and two ends of the connecting steel rod are arranged in the connecting holes of two adjacent wood structural members; a plurality of threaded holes are formed in the upper part of the connecting steel bar at intervals, and a first through hole matched with the threaded holes is formed in the wood structural member;
the inner diameter of the steel sleeve is matched with the outer diameter of the wood structural member, the steel sleeve is sleeved at the joint of the wood structural member, and a second through hole matched with the first through hole is formed in the steel sleeve;
and the second through hole and the first through hole, through which the connecting bolt passes, are fixed on the threaded hole.
According to the technical scheme, the length of the connecting steel bar is consistent with the length of the connecting holes of the two wood structural members; after the connecting steel bars are arranged in the connecting holes, the end faces of the two wood structural members are attached.
According to the technical scheme, the connecting steel rod is of a circular section, the diameter of the connecting hole is 1-2 mm larger than that of the connecting steel rod, and the shearing bearing capacity of the connecting steel rod is not smaller than that of the section of the wood structural member; the axis of the connecting hole coincides with the axis of the wood structural member.
According to the technical scheme, the thickness of the steel sleeve is determined according to the bearing capacity of the wood structural member, and the tensile strength and the bending strength of the steel sleeve are required to be ensured to be not lower than those of the wood structural member.
According to the technical scheme, the threaded holes are divided into a plurality of groups, each group of threaded holes are distributed on the connecting steel rod along the length direction, and different groups of threaded holes are distributed on the connecting steel rod at intervals along the circumferential direction; the diameter and the number of the connecting bolts are determined according to the principle that the shear strength is not lower than the tensile strength of the wood member: n=n/Nv, where N is the total number of bolts on the single-sided wood structural member, N is the tensile load-bearing capacity of the wood structural member, and Nv is the shear load-bearing capacity of the individual bolts.
According to the technical scheme, the depth of the threaded hole is 3 mm-5 mm; the diameters of the first through hole and the second through hole are 1mm larger than the rod diameter of the connecting bolt.
According to the technical scheme, the wood structure component comprises a wood structure component, and is characterized by further comprising a glue injection hole, an observation hole and structural glue, wherein the glue injection hole is formed in the inner side end of the connecting hole of the wood structure component, the observation hole is formed in the inner side end of the connecting hole of the other wood structure component, and the diameters of the glue injection hole and the observation hole are 3-5 mm; and pouring the structural adhesive between the inner wall of the connecting hole and the outer wall of the connecting steel rod through the grouting hole, and coating the structural adhesive on the connecting bolt.
According to the technical scheme, the first through hole and the second through hole are replaced by threaded holes which are the same as those used for connecting the steel bars.
A splicing method of a splicing node of a wood structural member is characterized by comprising the following steps: the method comprises the following steps:
s1: the diameter of the connecting steel rod, the diameter and thickness of the steel sleeve and the diameter and the number of the connecting bolts which meet the requirement of bearing capacity are determined according to the material strength and the section size of the connected wood structural members.
S2: according to the selected connecting rod, a round hole with a certain depth matched with the wood structural member is formed on the wood structural member to serve as a connecting hole;
s3: a threaded hole is formed in the connecting steel rod according to design requirements, and through holes matched with the positions and the sizes of the threaded holes are formed in the steel sleeve and the wood structural member;
s4: a connecting steel rod is arranged in a connecting hole of a wood structural member at one side, a steel sleeve is sleeved on the outer wall, and a Ji Gang sleeve, a through hole of the wood structural member and a threaded hole for connecting the steel rod are sleeved; coating structural adhesive on the connecting bolt, penetrating through the through hole and screwing into the threaded hole;
s5: placing the wood structural member on the other side in a region between the connecting steel rod and the steel sleeve, and arranging a through hole of the Ji Gang sleeve and the wood structural member and a threaded hole for connecting the steel rod; coating structural adhesive on the connecting bolt, penetrating through the through hole and screwing into the threaded hole;
s6: after all bolts are screwed into the connecting steel bars, structural adhesive is injected through the adhesive injection holes until the structural adhesive overflows from the observation holes, and node splicing is completed after the structural adhesive is solidified.
The invention has the following beneficial effects:
1. connecting holes are formed in the end faces of two adjacent wood structural members, connecting steel bars are placed in the connecting holes, and then steel sleeves are sleeved outside the two wood structural members; and be equipped with on connecting the steel bar with connecting bolt assorted screw hole to and be equipped with on steel sleeve and wood structural component with the through-hole that the screw hole matches (refer to first through-hole and second through-hole), pass above-mentioned through-hole and screw hole through connecting bolt, connect steel bar, wood structural component and steel sleeve into a whole. Based on the above measures, the radial directions of the two wood structural members are limited by using the connecting steel rod and the steel sleeve, and the axial directions of the two wood structural members are limited by using the cooperation of the connecting bolts and the threaded holes. According to the design of connecting steel bar, steel sleeve, and connecting bolt and screw hole, change the connection of two wooden structural component into the connection between connecting steel bar and the connecting sleeve, splice spare part is steel, and its intensity is far above timber, can guarantee the intensity of splice node. In addition, the node processing can be performed in a factory, and the processing precision and quality can be ensured.
2. Structural adhesive is filled in the connecting holes to strengthen wood structural members around the connecting holes, and meanwhile, the connecting steel bars are in direct contact with the wood structural members around the connecting holes, so that looseness of the joints is avoided, and force transmission of the joints is guaranteed. Structural adhesive is coated on the connecting bolts, so that the connecting bolts are in close contact with the wall of the wood structural member, loosening of the joints is avoided, and meanwhile the shearing bearing capacity of the joints is improved.
Drawings
FIG. 1 is a schematic diagram of a construction of an embodiment of the present invention;
FIG. 2 is a cross-sectional view of A-A of FIG. 1;
FIG. 3 is a cross-sectional view of B-B of FIG. 1;
FIG. 4 is a cross-sectional view of C-C of FIG. 1;
in the figure, 1, a wood structural member; 2. a connection hole; 3. connecting a steel bar; 4. a steel sleeve; 5. a connecting bolt; 6. structural adhesive; 7. a glue injection hole; 8. and (5) observing the hole.
Detailed Description
The invention will now be described in detail with reference to the drawings and examples.
Referring to fig. 1 to 4, the present invention provides a splice joint for a wood structural member.
Example 1
Included
The cross sections of the two adjacent wood structure members 1 are circular, connecting holes 2 distributed along the length direction of the wood structure are formed in the adjacent end faces of the two adjacent wood structure members, the cross sections of the two connecting holes are the same in size, and the positions of the end faces of the wood structure members are the same;
the section size of the connecting steel bar is matched with the section size of the connecting hole, and two ends of the connecting steel bar are arranged in the connecting holes of two adjacent wood structural members; a plurality of threaded holes are formed in the upper part of the connecting steel bar at intervals, and a first through hole matched with the threaded holes is formed in the wood structural member;
the inner diameter of the steel sleeve is matched with the outer diameter of the wood structural member, the steel sleeve is sleeved at the joint of the wood structural member, and a second through hole matched with the first through hole is formed in the steel sleeve;
and the connecting bolt 5 is fixed on the threaded hole through the second through hole and the first through hole.
In the embodiment, connecting holes are formed in the end faces of two adjacent wood structural members, connecting steel bars are placed in the connecting holes, and then steel sleeves are sleeved outside the two wood structural members; and be equipped with on connecting the steel bar with connecting bolt assorted screw hole to and be equipped with on steel sleeve and wood structural component with the through-hole that the screw hole matches (refer to first through-hole and second through-hole), pass above-mentioned through-hole and screw hole through connecting bolt, connect steel bar, wood structural component and steel sleeve into a whole. Based on the above measures, the radial directions of the two wood structural members are limited by using the connecting steel rod and the steel sleeve, and the axial directions of the two wood structural members are limited by using the cooperation of the connecting bolts and the threaded holes. According to the design of connecting steel bar, steel sleeve, and connecting bolt and screw hole, change the connection of two wooden structural component into the connection between connecting steel bar and the connecting sleeve, splice spare part is steel, and its intensity is far above timber, can guarantee the intensity of splice node. In addition, the node processing can be performed in a factory, and the processing precision and quality can be ensured.
Example 2
The structure and principle of embodiment 2 are similar to those of embodiment 1, except that: the length of the connecting steel bar is consistent with the length of the connecting holes of the two wood structural members; after the connecting steel bars are arranged in the connecting holes, the end faces of the two wood structural members are attached. In some embodiments, it is also within the scope of this embodiment that the length of the connecting steel rod is less than the length of the connecting holes of the two wood structural members. Only when the two lengths are consistent, the device has the characteristics of convenience in installation and better connection strength.
Example 3
The structure and principle of embodiment 3 are similar to those of embodiment 1, except that: the connecting steel bar adopts a circular section, the diameter of the connecting hole is 1 mm-2 mm larger than that of the connecting steel bar (the connecting steel bar is convenient to be inserted into the connecting hole), and the shearing bearing capacity of the connecting steel bar is not smaller than that of the section of the wood structural member; the axis of the connecting hole coincides with the axis of the wood structural member. In some embodiments, the connecting steel bars can also be rectangular or have other shapes, but have circular cross-sectional structures, so that the connecting holes and the threaded holes can be conveniently machined. In addition, when the axis of the connecting hole is coincident with the axis of the wood structural member, the shear strength of each part is the same; it is of course within the scope of the invention that the axis of the connecting hole and the axis of the wood structural member do not coincide.
Example 4
The structure and principle of embodiment 4 are similar to those of embodiment 3, except that: the thickness of the steel sleeve is determined according to the bearing capacity of the wood structural member, and the tensile strength and the bending strength of the steel sleeve are required to be not lower than those of the wood structural member.
Example 5
The structure and principle of embodiment 5 are similar to those of embodiment 4, except that: a preferred arrangement of the connecting bolts is given, and the threaded holes on the connecting steel bars are identical to the arrangement of the connecting bolts.
The threaded holes are divided into a plurality of groups, each group of threaded holes are distributed on the connecting steel rod along the length direction, and different groups of threaded holes are distributed on the connecting steel rod at intervals along the circumferential direction; the diameter and the number of the connecting bolts are determined according to the principle that the shear strength is not lower than the tensile strength of the wood member: n=n/Nv, where N is the total number of bolts on the single-sided wood structural member, N is the tensile load-bearing capacity of the wood structural member, and Nv is the shear load-bearing capacity of the individual bolts. In the embodiment, the threaded holes are distributed on the outer wall of the connecting steel rod in groups according to the axial direction and the circumferential direction, so that the threaded holes and the placement of the later connecting bolts are conveniently drilled on the wood structural member and the steel sleeve, and the purpose of reducing the installation difficulty is achieved.
Example 6
The structure and principle of embodiment 6 are similar to those of embodiment 5, except that: preferred configurations of the threaded bore, the first through bore, and the second through bore are given. Specifically, the depth of the threaded hole is 3 mm-5 mm; the diameters of the first through hole and the second through hole are both 1mm larger than the rod diameter of the connecting bolt, so that the connecting bolt is convenient to connect.
Example 7
The structure and principle of embodiment 7 are similar to those of embodiment 1, except that: in order to enhance the strength of the whole connecting node, the structural adhesive 6, the corresponding adhesive injecting holes 7 and the corresponding observing holes 8 are also added.
The wood structural member comprises a wood structural member, and is characterized by further comprising a glue injection hole, an observation hole and structural glue, wherein the glue injection hole is arranged at the inner side end of the connecting hole of one wood structural member, the observation hole is arranged at the inner side end of the connecting hole of the other wood structural member, and the diameters of the glue injection hole and the observation hole are 3-5 mm; and pouring the structural adhesive between the inner wall of the connecting hole and the outer wall of the connecting steel rod through the grouting hole, and coating the structural adhesive on the connecting bolt.
In this embodiment, the connecting hole is filled with the structural adhesive, strengthens the peripheral wood structural component of connecting hole, makes simultaneously that connect the bar iron and connecting hole peripheral wood structural component direct contact, avoids the node not hard up, guarantees that the node passes power directly. Structural adhesive is coated on the connecting bolts, so that the connecting bolts are in close contact with the wall of the wood structural member, loosening of the joints is avoided, and meanwhile the shearing bearing capacity of the joints is improved.
Example 8
The structure and principle of embodiment 8 are similar to those of embodiment 1, except that: based on embodiment 1, replace first through-hole and second through-hole with the screw hole the same as connecting the steel bar, realize the vertical spacing to wood structural component.
In addition, the invention also provides a splicing method of the splicing node of the wood structural member, which comprises the following steps:
s1: the diameter of the connecting steel rod, the diameter and thickness of the steel sleeve and the diameter and the number of the connecting bolts which meet the requirement of bearing capacity are determined according to the material strength and the section size of the connected wood structural members.
S2: according to the selected connecting rod, a round hole with a certain depth matched with the wood structural member is formed on the wood structural member to serve as a connecting hole, and the wood structural member is cleaned;
s3: a threaded hole is formed in the connecting steel rod according to design requirements, and through holes matched with the positions and the sizes of the threaded holes are formed in the steel sleeve and the wood structural member;
s4: a connecting steel rod is arranged in a connecting hole of a wood structural member at one side, a steel sleeve is sleeved on the outer wall, and a Ji Gang sleeve, a through hole of the wood structural member and a threaded hole for connecting the steel rod are sleeved; coating structural adhesive on the connecting bolt, penetrating through the through hole and screwing into the threaded hole;
s5: placing the wood structural member on the other side in a region between the connecting steel rod and the steel sleeve, and arranging a through hole of the Ji Gang sleeve and the wood structural member and a threaded hole for connecting the steel rod; coating structural adhesive on the connecting bolt, penetrating through the through hole and screwing into the threaded hole;
s6: after all bolts are screwed into the connecting steel bar, injecting structural adhesive through the adhesive injection holes until the structural adhesive overflows from the observation holes, so that the structural adhesive is ensured to fill up gaps between the connecting steel bar and the wood structural members; and finishing node splicing after the structural adhesive is solidified.
The foregoing is merely illustrative of the present invention and is not intended to limit the scope of the invention, which is defined by the claims and their equivalents.
Claims (9)
1. The utility model provides a timber structure component concatenation node which characterized in that: comprising
The cross sections of the two adjacent wood structure members are circular, connecting holes distributed along the length direction of the wood structure are formed in the adjacent end faces of the two adjacent wood structure members, the cross sections of the two connecting holes are the same in size, and the positions of the end faces of the wood structure members are the same;
the section size of the connecting steel rod is matched with the section size of the connecting hole, and two ends of the connecting steel rod are arranged in the connecting holes of two adjacent wood structural members; a plurality of threaded holes are formed in the upper part of the connecting steel bar at intervals, and a first through hole matched with the threaded holes is formed in the wood structural member;
the inner diameter of the steel sleeve is matched with the outer diameter of the wood structural member, the steel sleeve is sleeved at the joint of the wood structural member, and a second through hole matched with the first through hole is formed in the steel sleeve;
and the second through hole and the first through hole, through which the connecting bolt passes, are fixed on the threaded hole.
2. The wood structural member splice node of claim 1, wherein: the length of the connecting steel bar is consistent with the length of the connecting holes of the two wood structural members; after the connecting steel bars are arranged in the connecting holes, the end faces of the two wood structural members are attached.
3. The wood structural member splice node of claim 1, wherein: the connecting steel bar adopts a circular section, the diameter of the connecting hole is 1 mm-2 mm larger than that of the connecting steel bar, and the shearing bearing capacity of the connecting steel bar is not smaller than that of the section of the wood structural member; the axis of the connecting hole coincides with the axis of the wood structural member.
4. A timber structural member splice node according to claim 3, wherein: the thickness of the steel sleeve is determined according to the bearing capacity of the wood structural member, and the tensile strength and the bending strength of the steel sleeve are required to be not lower than those of the wood structural member.
5. The wood structural member splice node of claim 4, wherein: the threaded holes are divided into a plurality of groups, each group of threaded holes are distributed on the connecting steel rod along the length direction, and different groups of threaded holes are distributed on the connecting steel rod at intervals along the circumferential direction; the diameter and the number of the connecting bolts are determined according to the principle that the shear strength is not lower than the tensile strength of the wood member: n=n/Nv, where N is the total number of bolts on the single-sided wood structural member, N is the tensile load-bearing capacity of the wood structural member, and Nv is the shear load-bearing capacity of the individual bolts.
6. The wood structural member splice node of claim 5, wherein: the depth of the threaded hole is 3 mm-5 mm; the diameters of the first through hole and the second through hole are 1mm larger than the rod diameter of the connecting bolt.
7. The wood structural member splice node of claim 1, wherein: the wood structure component comprises a wood structure component, and is characterized by further comprising a glue injection hole, an observation hole and structural glue, wherein the glue injection hole is arranged at the inner side end of the connecting hole of the one wood structure component, the observation hole is arranged at the inner side end of the connecting hole of the other wood structure component, and the diameters of the glue injection hole and the observation hole are 3-5 mm; and pouring the structural adhesive between the inner wall of the connecting hole and the outer wall of the connecting steel rod through the grouting hole, and coating the structural adhesive on the connecting bolt.
8. The wood structural member splice node of claim 1, wherein: and replacing the first through hole and the second through hole with threaded holes which are the same as those used for connecting the steel bars.
9. A splicing method of a splicing node of a wood structural member is characterized by comprising the following steps: the method comprises the following steps:
s1: the diameter of the connecting steel rod, the diameter and thickness of the steel sleeve and the diameter and the number of the connecting bolts which meet the requirement of bearing capacity are determined according to the material strength and the section size of the connected wood structural members.
S2: according to the selected connecting rod, a round hole with a certain depth matched with the wood structural member is formed on the wood structural member to serve as a connecting hole;
s3: a threaded hole is formed in the connecting steel rod according to design requirements, and through holes matched with the positions and the sizes of the threaded holes are formed in the steel sleeve and the wood structural member;
s4: a connecting steel rod is arranged in a connecting hole of a wood structural member at one side, a steel sleeve is sleeved on the outer wall, and a Ji Gang sleeve, a through hole of the wood structural member and a threaded hole for connecting the steel rod are sleeved; coating structural adhesive on the connecting bolt, penetrating through the through hole and screwing into the threaded hole;
s5: placing the wood structural member on the other side in a region between the connecting steel rod and the steel sleeve, and arranging a through hole of the Ji Gang sleeve and the wood structural member and a threaded hole for connecting the steel rod; coating structural adhesive on the connecting bolt, penetrating through the through hole and screwing into the threaded hole;
s6: after all bolts are screwed into the connecting steel bars, structural adhesive is injected through the adhesive injection holes until the structural adhesive overflows from the observation holes, and node splicing is completed after the structural adhesive is solidified.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310896641.9A CN117107923A (en) | 2023-07-20 | 2023-07-20 | Wood structural member splicing node and splicing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310896641.9A CN117107923A (en) | 2023-07-20 | 2023-07-20 | Wood structural member splicing node and splicing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117107923A true CN117107923A (en) | 2023-11-24 |
Family
ID=88810055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310896641.9A Pending CN117107923A (en) | 2023-07-20 | 2023-07-20 | Wood structural member splicing node and splicing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117107923A (en) |
-
2023
- 2023-07-20 CN CN202310896641.9A patent/CN117107923A/en active Pending
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