CN107060082B - Dry-type assembled ECC protective layer node structure - Google Patents
Dry-type assembled ECC protective layer node structure Download PDFInfo
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- CN107060082B CN107060082B CN201710400090.7A CN201710400090A CN107060082B CN 107060082 B CN107060082 B CN 107060082B CN 201710400090 A CN201710400090 A CN 201710400090A CN 107060082 B CN107060082 B CN 107060082B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
- E04B1/21—Connections specially adapted therefor
- E04B1/215—Connections specially adapted therefor comprising metallic plates or parts
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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Abstract
The invention discloses a dry-type assembled ECC protective layer node structure which comprises a node main body, a left side beam, a right side beam, an upper end longitudinal column and a lower end longitudinal column, wherein the node main body comprises internal section steel, upper and lower end connecting plates welded on nodes of the internal section steel, a left side and a right side overhanging connecting plate; four longitudinal column connecting bolts are arranged on the periphery of the internal profile steel, and connecting longitudinal ribs are embedded in ECC reserved longitudinal rib holes of the ECC outer protective layer; the left and right cross beams are respectively filled with cross beam longitudinal ribs and cross beam steel plates, the lower end face of the upper longitudinal column is provided with an upper longitudinal column connecting plate, and the upper end face of the lower longitudinal column is provided with a lower longitudinal column connecting plate. The invention can realize the full assembly construction of the components in the node area, has high construction precision, low labor cost required by construction, good energy-saving and environment-friendly effects, can effectively reduce pollution and dust generated by site construction, and has good anti-seismic performance.
Description
Technical Field
The invention relates to the technical field of assembly type buildings, in particular to a dry type assembly type ECC protection layer node structure.
Background
With the great popularization of building industrialization, compared with the traditional cast-in-place structure, the fabricated structure has the advantages of high construction efficiency, good economic benefit, energy conservation, environmental protection and the like, and becomes an effective way for realizing industrial production; however, the integrity and seismic performance of the conventional fabricated building are poor, and the damage is serious in case of earthquake. As for the conventional fabricated structure, the connection between the components is weak, so that the integrity and the seismic performance are poor, and thus the application of the fabricated structure in the seismic defense area is hindered.
The traditional assembly type structure node is divided into a cast-in-place construction method and a full-assembly type construction method, the cast-in-place construction amount is large, and the quality is difficult to guarantee; the fully-assembled type comprises partial grouting and reinforcing steel bar anchoring measures, the maintenance period is long, and the field operation amount is large. The connection mode of the traditional assembly type structure in the node area generally comprises a dry connection method and a wet connection method, wherein the dry connection method generally adopts the bolt connection, welding and other modes of pre-embedded steel members for connection; wet joining is usually found in concrete structures, and joining is performed by post-cast curing of concrete in nodal areas; or the grouting is carried out through the reserved grouting opening to anchor the reinforcing steel bar, the field operation work amount is large, and the construction quality is difficult to ensure. Through practical application of traditional fabricated structure engineering and analysis of damage forms in earthquake, the following problems exist in the traditional fabricated structure, particularly in a node region:
1. the traditional reinforced concrete structure fabricated node area is cast-in-place or grouted and anchored, and the advantages of convenient construction, short installation period and the like of the fabricated structure are not reflected to the maximum extent;
2. the fully-assembled prefabricated node anti-seismic performance evaluation system is imperfect;
3. in a traditional assembly type node, the connection mode of a node area is mostly cast in place in a construction site, the construction quality of the assembly type node is influenced, the field construction quality is difficult to guarantee, and the construction period is influenced;
4. the wet connection mode causes local concrete color deviation and obvious concrete layer breaking feeling;
5. the full assembly construction of the components in the node area is realized, the factory prefabrication is energy-saving and environment-friendly, and the site construction pollution, dust and the like are reduced.
Disclosure of Invention
The invention aims to provide a dry-type assembled ECC protection layer node structure aiming at the defects of the prior art, the dry-type assembled ECC protection layer node structure can realize the full-assembly construction of components in a node area, the prefabrication production of all the components is realized, the construction precision is high, the labor cost required by the construction is low, the energy-saving and environment-friendly effects are good, the pollution and dust generated by field construction can be effectively reduced, the anti-seismic performance of the dry-type assembled ECC protection layer node structure can reach the anti-seismic performance of a cast-in-place node, and the stability and the reliability are good.
In order to achieve the above object, the present invention is achieved by the following technical solutions.
A dry-type assembled ECC protection layer node structure comprises a node main body, a left lateral beam positioned on the left end side of the node main body, a right lateral beam positioned on the right end side of the node main body, an upper end longitudinal column positioned on the upper end side of the node main body, and a lower end longitudinal column positioned on the lower end side of the node main body, wherein the left lateral beam and the right lateral beam respectively extend transversely along the horizontal direction, and the upper end longitudinal column and the lower end longitudinal column respectively extend along the vertical direction;
the node main body comprises internal section steel which is vertically arranged, a section steel filling cavity which is completely penetrated up and down is formed in the core of the internal section steel, self-compacting fiber concrete is poured in the section steel filling cavity of the internal section steel, a node upper end connecting plate which is horizontally and transversely arranged is welded on the upper end face of the internal section steel at an upper end opening of the section steel filling cavity, a node lower end connecting plate which is horizontally and transversely arranged is welded on the lower end face of the internal section steel at a lower end opening of the section steel filling cavity, an ECC outer covering protective layer is poured between the node upper end connecting plate and the node lower end connecting plate at the periphery of the internal section steel, a left side overhanging connecting plate which is vertically arranged and horizontally protrudes and extends towards the left side is welded on the left side face of the internal section steel, a right side overhanging connecting plate which is vertically arranged and horizontally protrudes and extends towards the right side is welded on the right side face of the internal section steel, the left end portion of the left side overhanging connecting plate penetrates through the ECC outer covering protective layer and extends to the left end side of the ECC outer covering protective layer, and the right end portion of the right side overhanging connecting plate penetrates through the ECC outer covering protective layer and extends to the right end side of the ECC outer covering protective layer;
four longitudinal column connecting bolts which are distributed in a rectangular shape and vertically extend respectively are arranged on the periphery of the internal section steel, each longitudinal column connecting bolt is located inside the ECC outer wrapping protective layer, the upper end of each longitudinal column connecting bolt penetrates through the node upper end connecting plate and extends to the upper end side of the node upper end connecting plate, and the lower end of each longitudinal column connecting bolt penetrates through the node lower end connecting plate and extends to the lower end side of the node lower end connecting plate;
four ECC reserved longitudinal rib holes which are distributed in a rectangular shape and completely penetrate through in the outer periphery of the node upper end connecting plate and the node lower end connecting plate are formed in the ECC outer covering protective layer, connecting longitudinal ribs which are distributed in a vertical direction are embedded in the ECC reserved longitudinal rib holes respectively, the upper end parts of the connecting longitudinal ribs extend to the upper end side of the node upper end connecting plate respectively, and the lower end parts of the connecting longitudinal ribs extend to the lower end side of the node lower end connecting plate respectively;
the left side cross beam and the right side cross beam are respectively filled with cross beam longitudinal ribs which transversely extend along the horizontal direction, the insides of the connecting end parts of the left side cross beam and the right side cross beam are respectively filled with vertically arranged cross beam steel plates, the cross beam longitudinal ribs of the left side cross beam are welded with the cross beam steel plates of the left side cross beam, the cross beam longitudinal ribs of the right side cross beam are welded with the cross beam steel plates of the right side cross beam, the connecting end surface of the left side cross beam is provided with left reserved connecting holes which are opened towards the right side and are matched with the shape of a left side overhanging connecting plate, the connecting end surface of the right side cross beam is provided with right reserved connecting holes which are opened towards the left side and are matched with the shape of a right side overhanging connecting plate, the left side overhanging connecting plate is embedded and inserted in the left reserved connecting holes of the left side cross beam, the left side overhanging connecting plate and the left side cross beam are connected through bolts in a fastening mode, the right side overhanging connecting plate and the right side cross beam are connected through bolts in a fastening mode, and the bolts pass through the cross beam steel plates of the right side cross beam;
the lower end face of the upper end longitudinal column is provided with an upper end longitudinal column connecting plate, the upper end face of the lower end longitudinal column is provided with a lower end longitudinal column connecting plate, the upper end longitudinal column connecting plate and the lower end longitudinal column connecting plate are respectively provided with a bolt mounting hole corresponding to each longitudinal column connecting bolt, the upper end part of each longitudinal column connecting bolt respectively penetrates through the bolt mounting hole corresponding to the upper end longitudinal column connecting plate and extends to the upper end side of the upper end longitudinal column connecting plate, the lower end part of each longitudinal column connecting bolt respectively penetrates through the bolt mounting hole corresponding to the lower end longitudinal column connecting plate and extends to the lower end side of the lower end longitudinal column connecting plate, the upper end part of each longitudinal column connecting bolt is respectively matched with a nut, the upper end longitudinal column connecting plate and the node upper end connecting plate are clamped through a nut, the lower end part of each longitudinal column connecting bolt is respectively matched with a nut, and the lower end longitudinal column connecting plate and the node lower end connecting plate are clamped through a nut;
the upper end is indulged the post, the lower extreme is indulged the post and is corresponded each and connect and indulge the muscle and seted up respectively and indulge the post and reserve and indulge the muscle hole, and the lower tip of each connection indulges the muscle and inlays respectively and insert in the corresponding vertical post of lower extreme indulge the post and reserve and indulge the muscle hole, and the upper end part of each connection indulges the muscle and inlays respectively and inserts in the corresponding vertical post of upper end indulge the post and reserve and indulge the muscle hole.
Wherein, the outer surface of the internal section steel is welded with a stud.
Wherein, each crossbeam steel sheet welds the dress and has the peg respectively.
And wrench clearance grooves are respectively formed in the lower end surface of the upper end longitudinal column and the upper end surface of the lower end longitudinal column at the mounting positions of the nuts.
The invention has the beneficial effects that: the invention relates to a dry-type assembled ECC protective layer node structure which comprises a node main body, a left lateral beam, a right lateral beam, an upper end longitudinal column and a lower end longitudinal column, wherein the node main body comprises internal section steel, upper end connecting plates and lower end connecting plates welded on nodes of the internal section steel, and left side and right side overhanging connecting plates; four longitudinal column connecting bolts are arranged on the periphery of the internal section steel, and connecting longitudinal ribs are embedded in ECC reserved longitudinal rib holes of the ECC outer protective layer; the left and right side beams are internally filled with beam longitudinal ribs and beam steel plates respectively, and the left and right side overhanging connecting plates are connected with the left and right side beams on the corresponding sides respectively through bolts; the upper end vertical column connecting plate is arranged on the lower end face of the upper end vertical column, the lower end vertical column connecting plate is arranged on the upper end face of the lower end vertical column, and the upper end connecting plate and the lower end connecting plate of the node are respectively connected with the upper end vertical column connecting plate and the lower end vertical column connecting plate of the corresponding side through bolts. The invention can realize the full assembly construction of the components in the node area, the prefabrication production of all the components, the construction precision is high, the labor cost required by the construction is low, the energy-saving and environment-friendly effects are good, the pollution and dust generated by the site construction can be effectively reduced, the seismic performance of the dry-type assembly type ECC protection layer node structure can reach the seismic performance of a cast-in-place node, and the stability and the reliability are good.
Drawings
The invention will be further described with reference to the following figures, to which, however, the embodiments do not constitute any limitation.
FIG. 1 is an assembly view of the present invention.
FIG. 2 is an exploded view of the present invention.
FIG. 3 is a schematic view of the present invention.
Fig. 1 to 3 include:
1-node main body 11-internal section steel
111-section steel filling chamber 12-node upper end connecting plate
13-connecting plate at lower end of node 14-ECC outer protective layer
15-left side overhanging connecting plate 16-right side overhanging connecting plate
17-longitudinal column connecting bolt 18-connecting longitudinal bar
21-left side Beam 22-right side Beam
23-beam longitudinal bar 24-beam steel plate
31-upper end column 32-lower end column
33-upper end longitudinal column connecting plate 34-lower end longitudinal column connecting plate
35 wrench clearance groove 4 and stud.
Detailed Description
The present invention will be described with reference to specific embodiments.
As shown in fig. 1 to 3, a dry-type fabricated ECC protection layer node structure includes a node main body 1, a left lateral beam 21 located on a left end side of the node main body 1, a right lateral beam 22 located on a right end side of the node main body 1, an upper longitudinal column 31 located on an upper end side of the node main body 1, and a lower longitudinal column 32 located on a lower end side of the node main body 1, wherein the left lateral beam 21 and the right lateral beam 22 extend laterally along a horizontal direction, and the upper longitudinal column 31 and the lower longitudinal column 32 extend along a vertical direction.
The node main body 1 comprises an internal section steel 11 which is vertically arranged, a core part of the internal section steel 11 is formed with a section steel filling cavity 111 which is completely penetrated up and down, self-compacting fiber concrete is poured in the section steel filling cavity 111 of the internal section steel 11, a node upper end connecting plate 12 which is horizontally and transversely arranged is welded on the upper end opening of the section steel filling cavity 111 on the upper end face of the internal section steel 11, a node lower end connecting plate 13 which is horizontally and transversely arranged is welded on the lower end opening of the section steel filling cavity 111 on the lower end face of the internal section steel 11, an ECC outer cover protective layer 14 is poured between the node upper end connecting plates 12 and the node lower end connecting plates 13 on the periphery of the internal section steel 11, a left side outer cover connecting plate 15 which is vertically arranged and horizontally extends towards the left side is welded on the left side of the internal section steel 11, a right side connecting plate 16 which is vertically arranged and horizontally extends towards the right side is welded on the periphery of the internal section steel 11, the left end portion of the left side connecting plate 15 penetrates through the ECC outer cover protective layer 14 and extends to the left side of the ECC outer cover protective layer 14, and the right end portion of the ECC outer cover protective layer 16 penetrates through the right side of the outer cover protective layer 14 and extends to the ECC outer cover protective layer 14.
Furthermore, four longitudinal column connecting bolts 17 which are distributed in a rectangular shape and extend vertically are mounted on the periphery of the internal section steel 11, each longitudinal column connecting bolt 17 is located inside the ECC outer protective layer 14, the upper end portion of each longitudinal column connecting bolt 17 penetrates through the node upper end connecting plate 12 and extends to the upper end side of the node upper end connecting plate 12, and the lower end portion of each longitudinal column connecting bolt 17 penetrates through the node lower end connecting plate 13 and extends to the lower end side of the node lower end connecting plate 13.
Furthermore, four ECC reserved longitudinal rib holes which are distributed in a rectangular shape and vertically and completely penetrate through are formed in the ECC outer protective layer 14 on the peripheries of the node upper end connecting plate 12 and the node lower end connecting plate 13, vertically arranged connecting longitudinal ribs 18 are embedded in the ECC reserved longitudinal rib holes respectively, the upper end portions of the connecting longitudinal ribs 18 respectively extend to the upper end side of the node upper end connecting plate 12, and the lower end portions of the connecting longitudinal ribs 18 respectively extend to the lower end side of the node lower end connecting plate 13.
In addition, the inside of the left side beam 21 and the right side beam 22 is respectively filled with a beam longitudinal rib 23 which transversely extends along the horizontal direction, the inside of the connecting end part of the left side beam 21 and the right side beam 22 is respectively filled with a beam steel plate 24 which is vertically arranged, the beam longitudinal rib 23 of the left side beam 21 is welded with the beam steel plate 24 of the left side beam 21, the beam longitudinal rib 23 of the right side beam 22 is welded with the beam steel plate 24 of the right side beam 22, the connecting end surface of the left side beam 21 is provided with a left reserved connecting hole which is opened towards the right side and is matched with the shape of the left side overhanging connecting plate 15, the connecting end surface of the right side beam 22 is provided with a right reserved connecting hole which is opened towards the left side and is matched with the shape of the right side overhanging connecting plate 16, the left side overhanging connecting plate 15 is embedded and inserted in the left reserved connecting hole of the right side beam 22, the left side overhanging connecting plate 15 is fastened and connected with the left side beam 21 through a bolt, and the bolt passes through the beam steel plate 24 of the left side beam 21, the right side overhanging beam 16 is fastened and connected with the right side beam 22 through a bolt.
An upper end longitudinal column connecting plate 33 is installed on the lower end face of the upper end longitudinal column 31, a lower end longitudinal column connecting plate 34 is installed on the upper end face of the lower end longitudinal column 32, bolt mounting holes are respectively formed in the upper end longitudinal column connecting plate 33 and the lower end longitudinal column connecting plate 34 corresponding to the longitudinal column connecting bolts 17, the upper end portion of each longitudinal column connecting bolt 17 penetrates through a corresponding bolt mounting hole of the upper end longitudinal column connecting plate 33 and extends to the upper end side of the upper end longitudinal column connecting plate 33, the lower end portion of each longitudinal column connecting bolt 17 penetrates through a corresponding bolt mounting hole of the lower end longitudinal column connecting plate 34 and extends to the lower end side of the lower end longitudinal column connecting plate 34, the upper end portion of each longitudinal column connecting bolt 17 is respectively matched with a nut, the upper end longitudinal column connecting plate 33 is clamped with the node upper end connecting plate 12 through a nut, the lower end portion of each longitudinal column connecting bolt 17 is respectively matched with a nut, and the lower end longitudinal column connecting plate 34 and the node lower end connecting plate 13 are clamped through a nut.
The upper end vertical column 31 and the lower end vertical column 32 are respectively provided with a vertical column reserved longitudinal rib hole corresponding to each connecting longitudinal rib 18, the lower end part of each connecting longitudinal rib 18 is respectively embedded and inserted in the vertical column reserved longitudinal rib hole corresponding to the lower end vertical column 32, and the upper end part of each connecting longitudinal rib 18 is respectively embedded and inserted in the vertical column reserved longitudinal rib hole corresponding to the upper end vertical column 31.
To be further explained, the studs 4 are welded to the outer surface of the inner section steel 11, and the studs 4 are welded to the beam steel plates 24, respectively. In addition, wrench clearance grooves 35 are formed in the lower end surface of the upper longitudinal column 31 and the upper end surface of the lower longitudinal column 32 at the nut mounting positions, respectively.
For the node main body 1, the internal section steel 11, the node upper end connecting plate 12, the node lower end connecting plate 13, the left side overhanging connecting plate 15 and the right side overhanging connecting plate 16 are welded, self-compacting fiber concrete is poured in the section steel filling cavity 111 of the internal section steel 11 to form constraint concrete, and the self-compacting fiber concrete can effectively improve the integral rigidity of the node main body 1 and increase the deformation capacity of the node main body 1; in addition, for the ECC outer protective layer 14 formed on the periphery of the internal section steel 11 by casting, it is used as a peripheral protective structure of the node main body 1, and can effectively prevent the internal section steel 11, the longitudinal column connecting bolt 17 and the connecting longitudinal rib 18 from rusting, so as to improve the service life and safety of the node member, and increase the ductility and deformability of the node area. For the connecting longitudinal rib 18 inserted in the longitudinal rib hole reserved in the ECC, the integrity between the upper end longitudinal column 31 and the lower end longitudinal column 32 can be effectively improved, and the overall strength is further improved. In addition, the left end beam and the left end overhanging connecting plate, the right end beam and the right end overhanging connecting plate, the upper end longitudinal column connecting plate 33 and the node upper end connecting plate 12, the lower end longitudinal column connecting plate 34 and the node lower end connecting plate 13 are respectively connected through bolts, so that the assembly is convenient and rapid, and the site construction period can be effectively shortened.
Specifically, compared with the conventional reinforcement mode, the invention has the following advantages:
1. the beam-node and the column-node are connected in a bolt dry mode, so that the construction precision is improved, the construction period is shortened, the labor cost is reduced, and the assembly type node member is realized in a real sense;
2. self-compacting fiber concrete is poured into the internal section steel 11 of the node core area to form a confined concrete area, so that the rigidity and ductility of the node are improved;
3. high-toughness fiber cement-based material ECC is poured outside the internal section steel 11 of the node area to form an ECC outer protective layer 14, the ECC outer protective layer 14 can improve the energy consumption capability of the node, a high-efficiency protective layer is formed, corrosion is prevented, and the service life of the node is greatly prolonged;
4. the outer surface of the internal section steel 11 and each beam steel plate 24 are welded with the studs 4, and the studs 4 can effectively improve the cooperative working performance with concrete;
5. ECC reserved longitudinal rib holes for embedding and connecting the longitudinal ribs 18 are reserved on the outer side of the internal section steel 11, so that the integrity of a node area can be effectively improved, and construction and installation are facilitated;
6. the beam-node connection is connected by bolts through reserved connecting holes, so that the connection reliability is improved, and the field construction period is shortened;
7. the column-node connection is connected through bolts, so that the connection reliability is improved, and the field construction period is shortened;
8. the upper end vertical column 31 and the lower end vertical column 32 are respectively reserved with a wrench clearance groove 35 to provide a wrench operation space, and the node installation and later maintenance are facilitated.
The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description of the present invention, which should be interpreted as a limitation.
Claims (2)
1. A dry-type assembled ECC protection layer node structure, its characterized in that: the node comprises a node main body (1), a left cross beam (21) positioned on the left side of the node main body (1), a right cross beam (22) positioned on the right side of the node main body (1), an upper end longitudinal column (31) positioned on the upper side of the node main body (1) and a lower end longitudinal column (32) positioned on the lower side of the node main body (1), wherein the left cross beam (21) and the right cross beam (22) transversely extend along the horizontal direction respectively, and the upper end longitudinal column (31) and the lower end longitudinal column (32) extend along the vertical direction respectively;
the node main body (1) comprises internal section steel (11) which is vertically arranged, a section steel filling cavity (111) which is completely penetrated from top to bottom is formed in the core of the internal section steel (11), self-compacting fiber concrete is poured in the section steel filling cavity (111) of the internal section steel (11), node upper end connecting plates (12) which are horizontally and transversely arranged are welded on the upper end face of the internal section steel (11) at an upper end opening of the section steel filling cavity (111), an outer-coated ECC protective layer (14) is poured between the node lower end connecting plates (13), an outer-coated ECC protective layer (15) which is vertically arranged and extends towards the left side horizontal projection is welded on the lower end face of the internal section steel (11), a right side connecting plate (16) which is vertically arranged and extends towards the right side horizontal projection is welded on the right side of the internal section steel (11), an outer-coated ECC protective layer (15) which extends outwards is welded on the left side face of the outer-coated connecting plate (15), a left side end portion of the outer-coated ECC protective layer (14) extends from the left side end portion of the outer-coated ECC protective layer (14) to the right side of the outer-coated ECC protective layer (14), and extends from the right side of the left side of the outer-coated ECC protective layer (14);
four longitudinal column connecting bolts (17) which are distributed in a rectangular shape and vertically extend are arranged on the periphery of the internal section steel (11), each longitudinal column connecting bolt (17) is located inside the ECC outer protective layer (14), the upper end of each longitudinal column connecting bolt (17) penetrates through the node upper end connecting plate (12) and extends to the upper end side of the node upper end connecting plate (12), and the lower end of each longitudinal column connecting bolt (17) penetrates through the node lower end connecting plate (13) and extends to the lower end side of the node lower end connecting plate (13);
four ECC reserved longitudinal rib holes which are distributed in a rectangular shape and vertically and completely penetrate through are formed in the outer periphery of the node upper end connecting plate (12) and the node lower end connecting plate (13) in the ECC outer covering protective layer (14), connecting longitudinal ribs (18) which are vertically arranged are embedded in the ECC reserved longitudinal rib holes respectively, the upper end of each connecting longitudinal rib (18) extends to the upper end side of the node upper end connecting plate (12) respectively, and the lower end of each connecting longitudinal rib (18) extends to the lower end side of the node lower end connecting plate (13) respectively;
the inner parts of a left side beam (21) and a right side beam (22) are respectively filled with a beam longitudinal rib (23) which transversely extends along the horizontal direction, the inner parts of the connecting end parts of the left side beam (21) and the right side beam (22) are respectively filled with a beam steel plate (24) which is vertically arranged, the beam longitudinal rib (23) of the left side beam (21) is welded with the beam steel plate (24) of the left side beam (21), the beam longitudinal rib (23) of the right side beam (22) is welded with the beam steel plate (24) of the right side beam (22), the connecting end surface of the left side beam (21) is provided with a left side reserved connecting hole which is opened towards the right side and is matched with the shape of a left side overhanging connecting plate (15), the left side overhanging connecting plate (15) is embedded and inserted in the left side reserved connecting hole of the left side beam (21), the right side overhanging connecting plate (16) is embedded and inserted in the right side reserved connecting hole of the right side beam (22), the left side overhanging connecting plate (15) and the left side beam (21) passes through a left side bolt and is connected with the left side beam steel plate (21), the right overhanging connecting plate (16) is tightly connected with the right cross beam (22) through bolts, and the bolts penetrate through a cross beam steel plate (24) of the right cross beam (22);
an upper end longitudinal column connecting plate (33) is arranged on the lower end face of the upper end longitudinal column (31), a lower end longitudinal column connecting plate (34) is arranged on the upper end face of the lower end longitudinal column (32), bolt mounting holes are formed in the upper end face of the upper end longitudinal column connecting plate (33) and the lower end longitudinal column connecting plate (34) corresponding to the longitudinal column connecting bolts (17), the upper end of each longitudinal column connecting bolt (17) penetrates through the corresponding bolt mounting hole of the upper end longitudinal column connecting plate (33) and extends to the upper end side of the upper end longitudinal column connecting plate (33), the lower end of each longitudinal column connecting bolt (17) penetrates through the corresponding bolt mounting hole of the lower end longitudinal column connecting plate (34) and extends to the lower end side of the lower end longitudinal column connecting plate (34), the upper end of each longitudinal column connecting bolt (17) is matched with a nut, the upper end longitudinal column connecting plate (33) and the node upper end connecting plate (12) are clamped by a nut, and the lower end of each longitudinal column connecting bolt (17) is matched with a nut, and the lower end of the node connecting plate (13) is clamped by a nut;
longitudinal column reserved longitudinal rib holes are respectively formed in the upper end longitudinal column (31) and the lower end longitudinal column (32) corresponding to the connecting longitudinal ribs (18), the lower end part of each connecting longitudinal rib (18) is respectively embedded and inserted in the longitudinal column reserved longitudinal rib hole corresponding to the lower end longitudinal column (32), and the upper end part of each connecting longitudinal rib (18) is respectively embedded and inserted in the longitudinal column reserved longitudinal rib hole corresponding to the upper end longitudinal column (31);
the outer surface of the internal section steel (11) is welded with a stud (4);
and studs (4) are welded on the cross beam steel plates (24) respectively.
2. The dry-mount ECC protection layer node structure of claim 1, wherein: wrench clearance grooves (35) are respectively formed in the lower end face of the upper end longitudinal column (31) and the upper end face of the lower end longitudinal column (32) at the nut mounting positions.
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| CN2017101754419 | 2017-03-22 | ||
| CN201710175441 | 2017-03-22 |
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| CN111270769A (en) * | 2020-02-10 | 2020-06-12 | 湖南理工学院 | Basalt fiber concrete section steel composite structure and manufacturing method thereof |
| CN112031158B (en) * | 2020-09-03 | 2021-09-21 | 黄淮学院 | Precast concrete building structure with shock-absorbing characteristic |
| CN113789914B (en) * | 2021-09-24 | 2023-05-26 | 华侨大学 | Corrugated plate-ECC assembled composite column and construction method thereof |
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| CN204023778U (en) * | 2014-07-08 | 2014-12-17 | 中国二十冶集团有限公司 | The connected node of prefabricated assembled concrete beam column |
| CN204781368U (en) * | 2015-07-17 | 2015-11-18 | 河海大学 | Novel girder steel - concrete column steel node and prefab |
| CN206928427U (en) * | 2017-03-22 | 2018-01-26 | 东莞理工学院 | A kind of dry type assembled ECC protective layer node structures |
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