CN211396269U - Novel replaceable RC connecting beam - Google Patents
Novel replaceable RC connecting beam Download PDFInfo
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- CN211396269U CN211396269U CN201921756658.XU CN201921756658U CN211396269U CN 211396269 U CN211396269 U CN 211396269U CN 201921756658 U CN201921756658 U CN 201921756658U CN 211396269 U CN211396269 U CN 211396269U
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 224
- 239000010959 steel Substances 0.000 claims abstract description 224
- 230000007704 transition Effects 0.000 claims abstract description 62
- 238000006243 chemical reaction Methods 0.000 claims description 47
- 230000002787 reinforcement Effects 0.000 claims description 27
- 238000004873 anchoring Methods 0.000 claims description 10
- 238000003466 welding Methods 0.000 claims description 10
- 229910001209 Low-carbon steel Inorganic materials 0.000 claims description 4
- 239000011150 reinforced concrete Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000005265 energy consumption Methods 0.000 description 10
- 238000010008 shearing Methods 0.000 description 8
- 230000008878 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- 210000003205 muscle Anatomy 0.000 description 4
- 238000005452 bending Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 239000004567 concrete Substances 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a novel removable RC even roof beam, even roof beam including RC wall limb and RC. The RC connecting beam comprises a rigid section, a transition section and a yield section; the bearing capacity of the rigid section and the transition section is larger than that of the yield section, the rigid section and the transition section are in an elastic state when an earthquake occurs, and the yield section is in a plastic state; the steel beam of the yield section has good ductility and dissipates a large amount of energy, so that the damage to other components of the shear wall is greatly reduced; after the earthquake is finished, the steel beam with the large deformation yield section can be replaced by disassembling and reinstalling the high-strength bolt, and the replacement process is simple, convenient and quick. The utility model discloses a RC links removable after shaking of roof beam, has prolonged the life of shear force wall structure, has further enlarged the application range who cuts upright wall structure.
Description
Technical Field
The utility model relates to a building element, concretely relates to novel removable RC even roof beam.
Background
The shear wall structure is widely used in high-rise buildings in China, when an earthquake occurs, the RC connecting beam is firstly yielded as a first defense line to dissipate earthquake energy, and multiple earthquake damages show that most of the shear walls designed according to the existing earthquake-resistant specifications have good earthquake-resistant performance. However, the shear wall RC coupling beam is difficult to repair after an earthquake or normal use of a building is influenced due to large repair time and cost.
In recent years, researchers at home and abroad successively develop various forms of replaceable connecting beams, but most of the replaceable connecting beams are limited to be used in steel connecting beams, so that the development of an RC connecting beam which is clear in force transmission path and easy to replace after an earthquake is urgently needed.
Disclosure of Invention
The utility model aims at providing a novel removable RC links roof beam.
The technical solution adopted for realizing the purpose of the utility model is that a novel replaceable RC connecting beam comprises an RC connecting beam connected between an RC wall limb I and an RC wall limb II.
The RC connecting beam comprises a rigid section I, a transition section I, a yield section, a transition section II and a rigid section II. The length direction of the RC connecting beam is the longitudinal direction of the rigid section I, the transition section I, the yield section, the transition section II and the rigid section II.
The longitudinal two ends of the yield section are respectively connected with a transition section I and a transition section II, a rigid section I is connected between the transition section I and the RC wall limb I, and a rigid section II is connected between the transition section II and the RC wall limb II.
Rigidity section I and rigidity section II are reinforced concrete structure, and the level is provided with a plurality of shear reinforcement I in the rigidity section I, and the level is provided with a plurality of shear reinforcement II in the rigidity section II.
The transition section I comprises a conversion steel plate I and a steel beam I, and the longitudinal end of the steel beam I, which is close to the rigid section I, is perpendicularly welded with the conversion steel plate I. One end of a plurality of shear steel bars I is connected with conversion steel plate I, and the other end anchor is in RC wall limb I.
Girder steel I is I-steel or H shaped steel, and girder steel I includes web I and two edges of a wing I, and web I is close to the vertical end of surging the section and is provided with a plurality of bolt holes, and two edges of a wing I are close to the vertical end of surging the section and all are provided with a plurality of bolt holes.
The yield section comprises a steel beam II, the steel beam II is I-shaped steel or H-shaped steel, the steel beam II comprises a web II and two flanges II, through holes are formed in the web II, a plurality of bolt holes are formed in the longitudinal two ends of the web II, and a plurality of bolt holes are formed in the longitudinal two ends of the two flanges II.
The transition section II comprises a conversion steel plate II and a steel beam III, and the longitudinal end of the steel beam III, which is close to the rigid section II, is vertically welded with the conversion steel plate II. One end of the shearing-resistant steel bars II is connected with the conversion steel plate II, and the other end of the shearing-resistant steel bars II is anchored in the RC wall limb II.
The steel beam III is I-shaped steel or H-shaped steel and comprises a web III and two flanges III, a plurality of bolt holes are formed in the longitudinal end, close to the yield section, of the web III, and a plurality of bolt holes are formed in the longitudinal end, close to the yield section, of each of the two flanges III.
Girder steel I and girder steel II are connected through a plurality of splice plates, are provided with a plurality of bolt holes on the splice plate. The joint of the web I and the web II is provided with two splicing plates which are respectively positioned at two sides of the web I and the web II, and a plurality of high-strength bolts penetrate through the web I, the web II and a plurality of bolt holes in the two splicing plates.
The flange I and the flange II are connected with each other through the bolt holes, and the flange I and the flange II are connected with each other through the bolt holes.
And the steel beam II and the steel beam III are connected through a plurality of splicing plates. The joint of the web III and the web II is provided with two splicing plates which are respectively positioned at two sides of the web III and the web II, and a plurality of high-strength bolts penetrate through the web III, the web II and a plurality of bolt holes in the two splicing plates.
The joint of the flange III and the flange II is provided with two splicing plates which are respectively positioned at the upper side and the lower side of the flange III and the flange II, and a plurality of high-strength bolts penetrate through the flange III, the flange II and a plurality of bolt holes on the two splicing plates.
Each high-strength bolt is screwed in a nut.
Further, the steel beam II is replaced by an energy dissipation damper.
Further, girder steel II is made by mild steel, and the through-hole is located the central point of web II. The cross section of the through hole is elliptic or prismatic.
Furthermore, one end of the shear steel bar I anchored in the RC wall limb I is provided with a thread, and a nut is screwed into the thread. And a thread is arranged at one end of the shear steel bar II anchored in the RC wall limb II, and a nut is screwed into the thread.
The shear steel bar I and the conversion steel plate I are connected in a bolt anchoring mode, a perforation plug welding mode or a through welding mode. Work as shear reinforcement I carries out the anchor with conversion steel sheet I and is connected when, shear reinforcement I is provided with the screw thread with I anchored one end of conversion steel sheet, is provided with a plurality of anchor eyes on the conversion steel sheet I, and a plurality of shear reinforcement I pass a plurality of anchor eyes, go into the nut on every screw thread.
And the shear steel bar II and the conversion steel plate II are connected in a bolt anchoring mode, a perforation plug welding mode or a through welding mode. When shear reinforcement II carries out the anchor with conversion steel sheet II and is connected, shear reinforcement II is provided with the screw thread with the one end of II anchors of conversion steel sheet, is provided with a plurality of anchor eyes on the conversion steel sheet II, and a plurality of shear reinforcement II pass a plurality of anchor eyes, and the nut is screwed into on every screw thread.
Further, the steel beam I and the steel beam III are both made of hard steel.
Further, I level is provided with steel reinforcement cage I in the rigidity section, and steel reinforcement cage I includes a plurality of vertical muscle I and a plurality of stirrup I. The level is provided with steel reinforcement cage II in the II rigid sections, and steel reinforcement cage II includes a plurality of vertical muscle II and a plurality of stirrup II.
The technical effects of the utility model are undoubted:
1. controllable failure mode: the bearing capacity of the non-energy consumption section of the utility model is large, the bearing capacity of the energy consumption section is small, when an earthquake happens, the web plate perforated steel beam of the energy consumption section deforms to dissipate energy, and the non-energy consumption section is in an elastic state, thereby greatly reducing the damage of the main body component of the RC shear wall;
2. the force transmission path is clear: when the transition section and the yield section are connected through the splice plate, the high-strength bolts at the upper wing edge and the lower wing edge bear bending moment, and the high-strength bolts at the web plate bear shearing force; the steel coupling beam and the concrete coupling beam are connected through a conversion steel plate, the longitudinal bars welded on the conversion steel plate with equal strength resist bending moment, and the shear resistant steel bars anchored on the conversion steel plate resist shearing force;
3. the replacement is simple, convenient and quick: after the earthquake is finished, the high-strength bolts are dismantled, the yield section steel beam with larger deformation is dismounted, a new yield section steel beam is replaced, the high-strength bolts are reinstalled, and then the yield section steel beam can be replaced simply, conveniently and quickly.
Drawings
FIG. 1 is a schematic view of a replaceable RC coupling beam (1);
FIG. 2 is a schematic view of a replaceable RC coupling beam (2);
FIG. 3 is a sectional view taken along line A-A;
FIG. 4 is a sectional view taken along line B-B;
FIG. 5 is a top view of steel beam I, steel beam II and steel beam III.
In the figure: RC wall limb I1, RC wall limb II 2, rigid section I301, shear steel I3011, transition section I302, conversion steel plate I3021, steel beam I3022, yield section 303, steel beam II 3031, through hole 30311, transition section II 304, conversion steel plate II 3041, steel beam III 3042, rigid section II 305, shear steel II 3051, splice plate 306 and high-strength bolt 307.
Detailed Description
The present invention will be further described with reference to the following examples, but it should not be construed that the scope of the present invention is limited to the following examples. Various substitutions and modifications can be made without departing from the technical spirit of the invention and according to the common technical knowledge and conventional means in the field, and all shall be included in the scope of the invention.
Example 1:
the embodiment discloses a novel removable RC links roof beam, including connecting the RC that links the roof beam between RC limb I1 and RC limb II 2.
The RC connecting beam comprises a rigid section I301, a transition section I302, a yielding section 303, a transition section II 304 and a rigid section II 305. The length direction of the RC connecting beam is the longitudinal direction of the rigid section I301, the transition section I302, the yielding section 303, the transition section II 304 and the rigid section II 305.
Referring to fig. 1, a transition section i 302 and a transition section ii 304 are respectively connected to two longitudinal ends of the yield section 303, a rigid section i 301 is connected between the transition section i 302 and the RC wall limb i 1, and a rigid section ii 305 is connected between the transition section ii 304 and the RC wall limb ii 2.
The rigid section I301 and the rigid section II 305 are both of reinforced concrete structures. Referring to fig. 3, a plurality of shear steel bars I3011 and a steel reinforcement cage I are horizontally arranged in the rigid section I301, and the steel reinforcement cage I comprises a plurality of longitudinal bars I and a plurality of stirrups I. A plurality of shear steel bars II 3051 and a steel reinforcement cage II are horizontally arranged in the rigid section II 305, and the steel reinforcement cage II comprises a plurality of longitudinal bars II and a plurality of stirrups II.
Referring to fig. 2, the transition section i 302 comprises a transition steel plate i 3021 and a steel beam i 3022, and the longitudinal end of the steel beam i 3022 close to the rigid section i 301 is perpendicularly welded with the transition steel plate i 3021. One end of a plurality of shear steel bars I3011 is anchored by bolts with a conversion steel plate I3021, and the other end of the shear steel bars I3011 is anchored in an RC wall limb I1.
Shear reinforcement I3011's both ends all are provided with the screw thread, are provided with a plurality of anchor eyes on the conversion steel sheet I3021, and shear reinforcement I3011 passes a plurality of anchor eyes with the one end of conversion steel sheet I3021 anchor, and the equal screw in nut in both ends of every shear reinforcement I3011.
Girder steel I3022 is the I-steel of being made by the stiff steel, and girder steel I3022 includes web I and two edges of a wing I, and web I is close to the longitudinal end of surging section 303 and is provided with a plurality of bolt holes, refers to fig. 5, and two edges of a wing I are close to the longitudinal end of surging section 303 and all are provided with a plurality of bolt holes.
Referring to fig. 2, the yield section 303 includes a steel beam ii 3031, the steel beam ii 3031 is an i-steel, the steel beam ii 3031 includes a web ii and two flanges ii, a through hole 30311 is provided on the web ii, a plurality of bolt holes are provided at both longitudinal ends of the web ii, and referring to fig. 5, a plurality of bolt holes are provided at both longitudinal ends of the two flanges ii.
The steel beam II 3031 is made of mild steel. Referring to fig. 2, the through hole 30311 is a prismatic through hole, the through hole 30311 is located at the center point of the web ii, the longitudinal direction of the yielding section 303 is marked as the longitudinal direction of the through hole 30311, and the transverse width of the through hole 30311 gradually increases from the two longitudinal ends of the through hole 30311 to the center point of the through hole 30311.
Referring to fig. 2, the transition section ii 304 includes a conversion steel plate ii 3041 and a steel beam iii 3042, and the longitudinal end of the steel beam iii 3042 near the rigid section ii 305 is vertically welded to the conversion steel plate ii 3041. One ends of the shearing resistant steel bars II 3051 are in bolt anchoring with the conversion steel plate II 3041, and the other ends of the shearing resistant steel bars II 3051 are anchored in the RC wall limbs II 2.
Both ends of the shear steel bar II 3051 are provided with threads, a plurality of anchor holes are formed in the conversion steel plate II 3041, one end of the shear steel bar II 3051 anchored with the conversion steel plate II 3041 penetrates through the anchor holes, and nuts are screwed into both ends of each shear steel bar II 3051.
The steel beam iii 3042 is an i-steel made of a hard steel, the steel beam iii 3042 includes a web iii and two flanges iii, the longitudinal end of the web iii near the yield section 303 is provided with a plurality of bolt holes, and referring to fig. 5, the longitudinal ends of the two flanges iii near the yield section 303 are both provided with a plurality of bolt holes.
Referring to fig. 1 or 2, the steel beam i 3022 and the steel beam ii 3031 are connected by a plurality of splice plates 306, and the splice plates 306 are provided with a plurality of bolt holes. The joint of the web I and the web II is provided with two splicing plates 306, the two splicing plates 306 are respectively positioned at two sides of the web I and the web II, and a plurality of high-strength bolts 307 penetrate through the web I, the web II and a plurality of bolt holes in the two splicing plates 306.
The joint of the flange I and the flange II is provided with two splicing plates 306, the two splicing plates 306 are respectively positioned on the upper side and the lower side of the flange I and the flange II, and a plurality of high-strength bolts 307 penetrate through a plurality of bolt holes in the flange I, the flange II and the two splicing plates 306.
Referring to fig. 2 or 4, the steel beam ii 3031 and the steel beam iii 3042 are connected by a plurality of splice plates 306. Two splicing plates 306 are arranged at the junction of the web III and the web II, the two splicing plates 306 are respectively positioned at two sides of the web III and the web II, and a plurality of high-strength bolts 307 penetrate through the web III, the web II and a plurality of bolt holes in the two splicing plates 306.
Two splicing plates 306 are arranged at the joint of the flange III and the flange II, the two splicing plates 306 are respectively positioned on the upper side and the lower side of the flange III and the flange II, and a plurality of high-strength bolts 307 penetrate through the flange III, the flange II and a plurality of bolt holes in the two splicing plates 306.
Each of the high-strength bolts 307 is screwed into a nut.
When an earthquake occurs, the bearing capacity of the rigid section I301, the transition section I302, the transition section II 304 and the rigid section II 305 is larger than that of the yield section 303, so that the rigid section I301, the transition section I302, the transition section II 304 and the rigid section II 305 are all in an elastic state, and the yield section 303 is in a plastic state. The steel beam II 3031 is made of soft steel, has the characteristics of low yield point and good deformability, consumes a large amount of seismic energy, and greatly reduces the damage to other components of the RC shear wall.
After the earthquake is finished, the integral RC connecting beam is firstly supported, the high-strength bolt 307 is disassembled, the steel beam II 3031 with larger deformation is disassembled, the high-strength bolt 307 is installed again after the new steel beam II 3031 is replaced, and the replacing process is simple, convenient and quick.
Example 2:
the main structure of this embodiment is the same as that of embodiment 1, and further, the steel beam ii 3031 is replaced by an energy dissipation damper.
When an earthquake occurs, the bearing capacity of the rigid section I301, the transition section I302, the transition section II 304 and the rigid section II 305 is larger than that of the yield section 303, so that the rigid section I301, the transition section I302, the transition section II 304 and the rigid section II 305 are all in an elastic state, and the yield section 303 is in a plastic state. The yield section 303 is an energy consumption damper, so that a large amount of seismic energy is dissipated, and the damage to other components of the RC shear wall is greatly reduced.
After the earthquake is finished, the energy consumption damper is detected, and if the energy consumption damper is intact in function, the damper can be put into use without replacement. If the energy consumption damper is detected to be damaged and needs to be replaced, the integral RC connecting beam is firstly supported, the high-strength bolt 307 is removed, the damaged energy consumption damper is detached, the high-strength bolt 307 is installed again after a new energy consumption damper is replaced, and the replacement process is simple, convenient and quick.
Example 3:
the embodiment discloses a novel removable RC links roof beam, including connecting the RC that links the roof beam between RC limb I1 and RC limb II 2.
The RC connecting beam comprises a rigid section I301, a transition section I302, a yielding section 303, a transition section II 304 and a rigid section II 305. The length direction of the RC connecting beam is the longitudinal direction of the rigid section I301, the transition section I302, the yielding section 303, the transition section II 304 and the rigid section II 305.
Referring to fig. 1, a transition section i 302 and a transition section ii 304 are respectively connected to two longitudinal ends of the yield section 303, a rigid section i 301 is connected between the transition section i 302 and the RC wall limb i 1, and a rigid section ii 305 is connected between the transition section ii 304 and the RC wall limb ii 2.
The rigid section I301 and the rigid section II 305 are both of reinforced concrete structures. Referring to fig. 3, a plurality of shear reinforcements i 3011 are horizontally arranged in the rigid section i 301. A plurality of shear steel bars II 3051 are horizontally arranged in the rigid section II 305.
Referring to fig. 2, the transition section i 302 comprises a transition steel plate i 3021 and a steel beam i 3022, and the longitudinal end of the steel beam i 3022 close to the rigid section i 301 is perpendicularly welded with the transition steel plate i 3021. One end of a plurality of shear steel bars I3011 is anchored by bolts with a conversion steel plate I3021, and the other end of the shear steel bars I3011 is anchored in an RC wall limb I1.
Girder steel I3022 is H shaped steel, and girder steel I3022 includes web I and two edges of a wing I, and the longitudinal end that web I is close to the section 303 of surging is provided with a plurality of bolt holes, refers to fig. 5, and the longitudinal end that two edges of a wing I are close to the section 303 of surging all is provided with a plurality of bolt holes.
Referring to fig. 2, the yield section 303 includes a steel beam ii 3031, the steel beam ii 3031 is H-shaped steel, the steel beam ii 3031 includes a web ii and two flanges ii, a through hole 30311 is provided on the web ii, a plurality of bolt holes are provided at both longitudinal ends of the web ii, and referring to fig. 5, a plurality of bolt holes are provided at both longitudinal ends of the two flanges ii.
Referring to fig. 2, the transition section ii 304 includes a conversion steel plate ii 3041 and a steel beam iii 3042, and the longitudinal end of the steel beam iii 3042 near the rigid section ii 305 is vertically welded to the conversion steel plate ii 3041. One ends of the shearing resistant steel bars II 3051 are in bolt anchoring with the conversion steel plate II 3041, and the other ends of the shearing resistant steel bars II 3051 are anchored in the RC wall limbs II 2.
The steel beam III 3042 is H-shaped steel, the steel beam III 3042 comprises a web plate III and two flanges III, a plurality of bolt holes are formed in the longitudinal end, close to the yield section 303, of the web plate III, and referring to fig. 5, a plurality of bolt holes are formed in the longitudinal ends, close to the yield section 303, of the two flanges III.
Referring to fig. 1 or 2, the steel beam i 3022 and the steel beam ii 3031 are connected by a plurality of splice plates 306, and the splice plates 306 are provided with a plurality of bolt holes. The joint of the web I and the web II is provided with two splicing plates 306, the two splicing plates 306 are respectively positioned at two sides of the web I and the web II, and a plurality of high-strength bolts 307 penetrate through the web I, the web II and a plurality of bolt holes in the two splicing plates 306.
The joint of the flange I and the flange II is provided with two splicing plates 306, the two splicing plates 306 are respectively positioned on the upper side and the lower side of the flange I and the flange II, and a plurality of high-strength bolts 307 penetrate through a plurality of bolt holes in the flange I, the flange II and the two splicing plates 306.
Referring to fig. 2 or 4, the steel beam ii 3031 and the steel beam iii 3042 are connected by a plurality of splice plates 306. Two splicing plates 306 are arranged at the junction of the web III and the web II, the two splicing plates 306 are respectively positioned at two sides of the web III and the web II, and a plurality of high-strength bolts 307 penetrate through the web III, the web II and a plurality of bolt holes in the two splicing plates 306.
Two splicing plates 306 are arranged at the joint of the flange III and the flange II, the two splicing plates 306 are respectively positioned on the upper side and the lower side of the flange III and the flange II, and a plurality of high-strength bolts 307 penetrate through the flange III, the flange II and a plurality of bolt holes in the two splicing plates 306.
Each of the high-strength bolts 307 is screwed into a nut.
Example 4:
the main structure of this embodiment is the same as that of embodiment 3, further, the steel beam ii 3031 is made of mild steel, and the through hole 30311 is located at the center point of the web plate ii. Referring to fig. 1, the longitudinal direction of the yielding segment 303 is marked as the longitudinal direction of the through hole 30311, and the transverse width of the through hole 30311 gradually increases from the two longitudinal ends of the through hole 30311 to the central point of the through hole 30311.
Example 5:
the main structure of the embodiment is the same as that of embodiment 4, and further, one end of the shear steel bar I3011 anchored in the RC wall limb I1 is provided with a thread, and a nut is screwed into the thread. The shear steel bar I3011 and the conversion steel plate I3021 are connected in a through welding mode.
One end of the shear steel bar II 3051 anchored in the RC wall limb II 2 is provided with a thread, and a nut is screwed into the thread. The shear steel bar II 3051 and the conversion steel plate II 3041 are connected in a through welding mode.
Example 6:
the main structure of this embodiment is the same as that of embodiment 5, and further, the steel beam i 3022 and the steel beam iii 3042 are both made of hard steel.
Example 7:
this embodiment major structure is with embodiment 6, and is further, the level is provided with steel reinforcement cage I in the I301 of rigidity section, and steel reinforcement cage I includes a plurality of vertical muscle I and a plurality of stirrup I. The level is provided with steel reinforcement cage II in II 305 of rigidity section, and steel reinforcement cage II includes a plurality of vertical muscle II and a plurality of stirrup II.
When an earthquake occurs, the bearing capacity of the rigid section I301, the transition section I302, the transition section II 304 and the rigid section II 305 is larger than that of the yield section 303, so that the rigid section I301, the transition section I302, the transition section II 304 and the rigid section II 305 are all in an elastic state, and the yield section 303 is in a plastic state. The steel beam II 3031 is made of soft steel, has the characteristics of low yield point and good deformability, consumes a large amount of seismic energy, and greatly reduces the damage to other components of the RC shear wall.
After the earthquake is finished, the integral RC connecting beam is firstly supported, the high-strength bolt 307 is disassembled, the steel beam II 3031 with larger deformation is disassembled, the high-strength bolt 307 is installed again after the new steel beam II 3031 is replaced, and the replacing process is simple, convenient and quick.
Claims (6)
1. The utility model provides a novel removable RC links roof beam which characterized in that: comprises an RC connecting beam connected between an RC wall limb I (1) and an RC wall limb II (2);
the RC connecting beam comprises a rigid section I (301), a transition section I (302), a yielding section (303), a transition section II (304) and a rigid section II (305); the length direction of the RC connecting beam is the longitudinal direction of a rigid section I (301), a transition section I (302), a yielding section (303), a transition section II (304) and a rigid section II (305);
the longitudinal two ends of the yield section (303) are respectively connected with a transition section I (302) and a transition section II (304), a rigid section I (301) is connected between the transition section I (302) and the RC wall limb I (1), and a rigid section II (305) is connected between the transition section II (304) and the RC wall limb II (2);
the rigid section I (301) and the rigid section II (305) are both of reinforced concrete structures, a plurality of shear steel bars I (3011) are horizontally arranged in the rigid section I (301), and a plurality of shear steel bars II (3051) are horizontally arranged in the rigid section II (305);
the transition section I (302) comprises a conversion steel plate I (3021) and a steel beam I (3022), and the longitudinal end, close to the rigid section I (301), of the steel beam I (3022) is vertically welded with the conversion steel plate I (3021); one end of each shear steel bar I (3011) is connected with the corresponding conversion steel plate I (3021), and the other end of each shear steel bar I is anchored in the RC wall limb I (1);
the steel beam I (3022) is I-shaped steel or H-shaped steel, the steel beam I (3022) comprises a web I and two flanges I, a plurality of bolt holes are formed in the longitudinal end, close to the yield section (303), of the web I, and a plurality of bolt holes are formed in the longitudinal end, close to the yield section (303), of each flange I;
the yield section (303) comprises a steel beam II (3031), the steel beam II (3031) is I-shaped steel or H-shaped steel, the steel beam II (3031) comprises a web II and two flanges II, a through hole (30311) is formed in the web II, a plurality of bolt holes are formed in the longitudinal two ends of the web II, and a plurality of bolt holes are formed in the longitudinal two ends of each flange II;
the transition section II (304) comprises a conversion steel plate II (3041) and a steel beam III (3042), and the longitudinal end, close to the rigid section II (305), of the steel beam III (3042) is vertically welded with the conversion steel plate II (3041); one end of each shear steel bar II (3051) is connected with the corresponding conversion steel plate II (3041), and the other end of each shear steel bar II (3051) is anchored in the RC wall limb II (2);
the steel beam III (3042) is I-shaped steel or H-shaped steel, the steel beam III (3042) comprises a web plate III and two flanges III, a plurality of bolt holes are formed in the longitudinal end, close to the yield section (303), of the web plate III, and a plurality of bolt holes are formed in the longitudinal end, close to the yield section (303), of each flange III;
the steel beam I (3022) and the steel beam II (3031) are connected through a plurality of splicing plates (306), and a plurality of bolt holes are formed in the splicing plates (306); two splicing plates (306) are arranged at the junction of the web plate I and the web plate II, the two splicing plates (306) are respectively positioned at two sides of the web plate I and the web plate II, and a plurality of high-strength bolts (307) penetrate through the web plate I, the web plate II and a plurality of bolt holes on the two splicing plates (306);
two splicing plates (306) are arranged at the junction of the flange I and the flange II, the two splicing plates (306) are respectively positioned on the upper side and the lower side of the flange I and the flange II, and a plurality of high-strength bolts (307) penetrate through a plurality of bolt holes in the flange I, the flange II and the two splicing plates (306);
the steel beam II (3031) and the steel beam III (3042) are connected through a plurality of splice plates (306); two splicing plates (306) are arranged at the junction of the web plate III and the web plate II, the two splicing plates (306) are respectively positioned at two sides of the web plate III and the web plate II, and a plurality of high-strength bolts (307) penetrate through the web plate III, the web plate II and a plurality of bolt holes on the two splicing plates (306);
two splicing plates (306) are arranged at the connection position of the flange III and the flange II, the two splicing plates (306) are respectively positioned on the upper side and the lower side of the flange III and the flange II, and a plurality of high-strength bolts (307) penetrate through a plurality of bolt holes in the flange III, the flange II and the two splicing plates (306);
each high-strength bolt (307) is screwed into a nut.
2. The novel replaceable RC connecting beam as claimed in claim 1, wherein: and the steel beam II (3031) is replaced by an energy-consuming damper.
3. The novel replaceable RC connecting beam as claimed in claim 1, wherein: the steel beam II (3031) is made of mild steel, and the through hole (30311) is positioned on the central point of the web plate II; the cross section of the through hole (30311) is oval or prismatic.
4. The novel replaceable RC connecting beam as claimed in claim 1, wherein: one end of the shear steel bar I (3011) anchored in the RC wall limb I (1) is provided with a thread, and a nut is screwed into the thread; one end of the shear steel bar II (3051) anchored in the RC wall limb II (2) is provided with a thread, and a nut is screwed into the thread;
the shear steel bar I (3011) and the conversion steel plate I (3021) are connected in a bolt anchoring mode, a perforation plug welding mode or a through welding mode; when the shear steel bar I (3011) is connected with the conversion steel plate I (3021) in an anchoring mode, threads are arranged at one anchoring end of the shear steel bar I (3011) and the conversion steel plate I (3021), a plurality of anchor holes are formed in the conversion steel plate I (3021), a plurality of shear steel bars I (3011) penetrate through the anchor holes, and a nut is screwed into each thread;
the shear steel bar II (3051) and the conversion steel plate II (3041) are connected in a bolt anchoring mode, a perforation plug welding mode or a through welding mode; when the shear steel bar II (3051) is in anchoring connection with the conversion steel plate II (3041), threads are arranged at one anchoring end of the shear steel bar II (3051) and the conversion steel plate II (3041), a plurality of anchor holes are formed in the conversion steel plate II (3041), a plurality of shear steel bars II (3051) penetrate through the anchor holes, and a nut is screwed into each thread.
5. The novel replaceable RC connecting beam as claimed in claim 1, wherein: and the steel beam I (3022) and the steel beam III (3042) are both made of hard steel.
6. The novel replaceable RC connecting beam as claimed in claim 1, wherein: a reinforcement cage I is horizontally arranged in the rigid section I (301), and comprises a plurality of longitudinal reinforcements I and a plurality of stirrups I; and a reinforcement cage II is horizontally arranged in the rigid section II (305), and comprises a plurality of longitudinal bars II and a plurality of stirrups II.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921756658.XU CN211396269U (en) | 2019-10-19 | 2019-10-19 | Novel replaceable RC connecting beam |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921756658.XU CN211396269U (en) | 2019-10-19 | 2019-10-19 | Novel replaceable RC connecting beam |
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| CN211396269U true CN211396269U (en) | 2020-09-01 |
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| CN201921756658.XU Withdrawn - After Issue CN211396269U (en) | 2019-10-19 | 2019-10-19 | Novel replaceable RC connecting beam |
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| CN (1) | CN211396269U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110778019A (en) * | 2019-10-19 | 2020-02-11 | 重庆大学 | Novel replaceable RC connecting beam |
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2019
- 2019-10-19 CN CN201921756658.XU patent/CN211396269U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110778019A (en) * | 2019-10-19 | 2020-02-11 | 重庆大学 | Novel replaceable RC connecting beam |
| CN110778019B (en) * | 2019-10-19 | 2024-04-12 | 重庆大学 | Novel removable RC even roof beam |
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