CN113338687A - Connecting node structure of special-shaped column and I-shaped steel beam and node safety monitoring method - Google Patents
Connecting node structure of special-shaped column and I-shaped steel beam and node safety monitoring method Download PDFInfo
- Publication number
- CN113338687A CN113338687A CN202110641574.7A CN202110641574A CN113338687A CN 113338687 A CN113338687 A CN 113338687A CN 202110641574 A CN202110641574 A CN 202110641574A CN 113338687 A CN113338687 A CN 113338687A
- Authority
- CN
- China
- Prior art keywords
- plate
- pressure sensor
- shaped
- steel beam
- horizontal plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
-
- 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
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/22—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring angles or tapers; for testing the alignment of axes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/32—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring the deformation in a solid
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- General Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Electromagnetism (AREA)
- Rod-Shaped Construction Members (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention discloses a special-shaped column and I-shaped steel beam connecting node structure and a node safety monitoring method, and relates to the technical field of building engineering connecting nodes. The connecting node reduces the using amount of bolts, ensures that the node is accurately positioned and firmly connected, and can monitor the deformation of the node in real time and give an alarm in real time when the node is damaged by a node safety monitoring method.
Description
Technical Field
The invention relates to the technical field of construction engineering connecting nodes, in particular to a connecting node structure of a special-shaped column and an I-shaped steel beam and a node safety monitoring method.
Background
In recent years, steel structure building industrialization and assembly type building policies are continuously issued, green buildings and building materials are actively promoted, and steel structures and assembly type buildings are vigorously developed. The assembled steel structure system is a building produced by manufacturing house units or components according to the specifications of unified and standard building parts and then transporting the building units or components to a construction site for assembly in place, and is characterized by light building weight, energy conservation, environmental protection, high construction speed, high industrialization degree and the like, can solve the problems of low building industrialization level, low building construction labor productivity, low quality of traditional house products and the like in China, and is suitable for the development of the building industry in China.
The beam column node is a basic component of a frame structure, has great influence on the stress and safety of the whole structure, once the connection is damaged, the structural member cannot play a role, and whether the structure is reasonable or not directly relates to the safety and reliability of the structure. The traditional deformed steel pipe concrete column-I-shaped steel beam rigid node is connected through a large number of bolts, so that the components at the joint of the node are damaged, certain potential safety hazards exist, most of the connecting nodes do not have the function of reinforcing the deformed steel pipe concrete column, and the node structure does not have the functions of observing the deformation degree and alarming in real time when deforming.
Disclosure of Invention
The invention provides a connecting node structure of a concrete filled steel tube special-shaped column and an I-shaped steel beam, and aims to solve the problems in the prior art.
In order to achieve the purpose, the technical scheme of the invention is as follows:
the utility model provides a steel pipe concrete dysmorphism post and I-shaped girder steel connected node structure, includes core dysmorphism post, switching structure and I-shaped girder steel, core dysmorphism post in pour the concrete, be equipped with the draw-in groove on the lateral wall top of core dysmorphism post, the one end joint of switching structure on the top of core dysmorphism post, fixed connection can be dismantled with the tip of I-shaped girder steel to the other end, the concrete in be equipped with prestressed reinforcement, the switching structure pass through prestressed reinforcement along longitudinal fixation.
Preferably, the cross section of the core special-shaped column is of a T-shaped structure, and clamping grooves are symmetrically formed in the left end of the T-shaped structure and the two sides of the top end of the side wall of a protruding end protruding rightwards along the middle of the left end; the left end of the switching structure is provided with a first clamping plate and a second clamping plate, the first clamping plate and the second clamping plate are respectively clamped in 2 clamping grooves at the protruding end and the left end of the T-shaped structure, the lower surfaces of the end portions of the first clamping plate and the second clamping plate are further provided with fastening plates surrounding the top of the outer surface of the core special-shaped column, the cross section of each fastening plate is also of the T-shaped structure, and the inner surface of each fastening plate is in interference fit with the outer surface of the core special-shaped column.
Preferably, the first clamping plate, the second clamping plate and the fastening plate are of an integrally formed integral structure, 1 or more through holes penetrating through the upper end face and the lower end face are formed in the first clamping plate and the second clamping plate respectively, the top ends of the prestressed reinforcements penetrate through the through holes, and the left end of the transfer structure is longitudinally fixed through anchors.
Preferably, the fastening plate include the left end fastening plate that is used for closely cooperating the special-shaped post left end of core and be used for closely cooperating the protruding end fastening plate of outstanding end, the right-hand member of protruding end fastening plate be equipped with integrated into one piece and relative first horizontal plate and second horizontal plate from top to bottom to end connection through first horizontal plate and second horizontal plate and I-beam.
Preferably, the upper end surface of the first horizontal plate and the lower end surface of the second horizontal plate are respectively provided with 1 or more stiffening rib plates, the left ends of the stiffening rib plates are fixedly connected with the right ends of the protruding end fastening plates, and the inner ends of the stiffening rib plates are fixedly connected with the upper end surface of the first horizontal plate or the lower end surface of the second horizontal plate.
Preferably, the right end face of the protruding end fastening plate between the first horizontal plate and the second horizontal plate is further fixedly provided with 2 vertical plates which are longitudinally arranged, the upper ends and the lower ends of the 2 vertical plates are respectively matched with the lower surface of the first horizontal plate and the upper surface of the second horizontal plate in the distance between the upper surfaces of the first horizontal plate and the second horizontal plate, the thicknesses of the upper flange plate and the lower flange plate of the I-shaped steel beam are matched, and the distance between the 2 vertical plates is matched with the thickness of the web plate of the I-shaped steel beam.
Preferably, the end part of the I-beam is inserted between the first horizontal plate and the second horizontal plate, the upper surface of the upper flange plate and the lower surface of the lower flange plate respectively abut against the lower surface of the first horizontal plate and the upper surface of the second horizontal plate, the outer surface of the web plate respectively contacts with the inner surfaces of the 2 vertical plates, the end part of the I-beam abuts against the right end surface of the protruding end fastening plate, a plurality of bolt holes which are communicated with each other are symmetrically arranged on the front side and the rear side of the first horizontal plate and the second horizontal plate and the front side and the rear side of the upper flange plate and the lower flange plate respectively, and the right end of the switching structure is fixedly connected with the end part of the I-beam through a high-strength bolt which penetrates through the bolt holes.
Preferably, the vertical plates are made of low-carbon steel materials, the outer end faces of the 2 vertical plates are respectively connected with 2 extrusion plates which are arranged in an up-down parallel mode, and the left ends of the extrusion plates are in clearance fit with the right end faces of the protruding end fastening plates.
Preferably, a first pressure sensor, a second pressure sensor, a third pressure sensor and a fourth pressure sensor are respectively arranged on the right end face of the protruding end fastening plate opposite to the left end of the extrusion plate, the first pressure sensor, the second pressure sensor, the third pressure sensor and the fourth pressure sensor are respectively and electrically connected with a power supply, a display and an alarm through conducting wires, the first pressure sensor and the third pressure sensor are located above, and the second pressure sensor and the fourth pressure sensor are located below.
The invention also aims to provide a method for monitoring the safety state of the steel structure.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a method for monitoring the safety state of a steel structure adopts the method for judging the connection state of the connection node structure of the concrete filled steel tube special-shaped column and the I-shaped steel beam, and comprises the following steps:
A. when the first pressure sensor and the third pressure sensor display pressure values, and the pressure values of the fourth pressure sensor and the second pressure sensor are 0, the right end of the I-shaped steel beam is upwarped; on the contrary, the right end of the I-shaped steel beam sags;
B. when the first pressure sensor and the second pressure sensor display pressure values, and the pressure values of the third pressure sensor and the fourth pressure sensor are 0, the front projection of the right end of the I-shaped steel beam is represented; on the contrary, the right end of the I-shaped steel beam is convex backwards;
C. if the numerical value of one pressure sensor is obviously larger than the numerical values of other pressure sensors, the right end of the I-shaped steel beam is prompted to incline towards the angle of the pressure sensor;
D. if the value of any pressure sensor exceeds the specified warning value, the connection node is damaged, and the timely processing is needed.
The connecting node structure of the steel pipe concrete special-shaped column and the I-shaped steel beam has the following beneficial effects:
1. the left end of the switching structure is connected with the clamping groove through the first clamping plate and the second clamping plate, and the switching structure can be accurately fixed in the horizontal direction through the tight fit of the fastening plate and the upper part of the outer surface of the core special-shaped column; the switching structure is accurately fixed in the longitudinal direction through the prestressed reinforcement, so that the overall accurate positioning of the switching structure is realized; due to the arrangement of the fastening plate and the prestressed reinforcement, the concrete filled steel tube special-shaped column with the built-in concrete can be firmer, and the bearing capacity and the shearing resistance are stronger; meanwhile, the top end of the core special-shaped column provided with the connecting node has stronger deformation resistance, and the stability of the connecting node is facilitated.
2. Through the arrangement, the use of bolts can be greatly reduced, and the left end of the connecting node is not damaged by the bolt hole, so that the structure is firmer.
3. The vertical plate made of the low-carbon steel material can play a role in damping and dissipating energy, and when the I-shaped steel beam vibrates, the vertical plate dissipates vibration energy, so that the stability of the connection node is kept.
4. According to the invention, by arranging the extrusion plate and the first to fourth pressure sensors, the stress and deformation states of the structure can be monitored in real time, and the displacement angle and direction of the structure can be judged according to data display so as to carry out corresponding maintenance; the connection node is the part which is most easily damaged in natural disasters such as earthquakes, so the real-time monitoring and alarming functions of the invention have important significance for earthquake resistance and disaster reduction.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of a core profile column of the present invention;
FIG. 3 is a schematic view of the core special-shaped column of the present invention in cooperation with the adapter structure;
FIG. 4 is a diagram showing the positional relationship of 4 pressure sensors according to the present invention;
1: core irregular column, 2: card slot, 3: overhang, 4: second card, 5: first card, 6: left end fastening plate, 7: prestressed reinforcement, 8: nose fastening plate, 9: first horizontal plate, 10: second horizontal plate, 11: stiffening rib, 12: a riser, 13: anchor, 14: high-strength bolt, 15: nut, 16: extrusion plate, 17: upper flange plate, 18: a web; 19: lower flange plate, 20: first pressure sensor, 21: second pressure sensor, 22: third pressure sensor, 23: and a fourth pressure sensor.
Detailed Description
In the following, embodiments of the present invention are described in detail in a stepwise manner, which is merely a preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are only used for describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, the present invention is not to be construed as being limited thereto.
Examples 1,
A steel pipe concrete special-shaped column and I-shaped steel beam connection node structure is shown in figures 2 and 3 and comprises a core special-shaped column 1, a switching structure and an I-shaped steel beam, concrete is poured in the core special-shaped column 1, a clamping groove 2 is arranged at the top end of the side wall of the core special-shaped column 1, one end of the switching structure is clamped at the top end of the core special-shaped column, the other end of the switching structure is detachably and fixedly connected with the end portion of the I-shaped steel beam, a prestressed reinforcement 7 is arranged in the concrete, and the switching structure is longitudinally fixed through the prestressed reinforcement 7;
as shown in fig. 2 and 3, the cross section of the core irregular column 1 is a T-shaped structure, and the left end of the T-shaped structure and two sides of the top end of the side wall of a protruding end 3 protruding rightwards along the middle part of the left end are symmetrically provided with clamping grooves 2; the left end of the switching structure is provided with a first clamping plate 5 and a second clamping plate 4, the first clamping plate 5 and the second clamping plate 4 are respectively clamped in 2 clamping grooves at the protruding end 3 and the left end of the T-shaped structure, the lower surfaces of the end parts of the first clamping plate 5 and the second clamping plate 4 are also provided with fastening plates surrounding the top of the outer surface of the core special-shaped column 1, the cross section of each fastening plate is also of the T-shaped structure, and the inner surfaces of the fastening plates are in interference fit with the outer surface of the core special-shaped column 1;
as shown in fig. 1 and 3, the first clamping plate 5, the second clamping plate 4 and the fastening plate are of an integral structure, the first clamping plate 5 and the second clamping plate 4 are respectively provided with 1 or more through holes penetrating through the upper end surface and the lower end surface, the top ends of the prestressed reinforcements 7 penetrate through the through holes, and the left end of the transfer structure is longitudinally fixed through an anchorage 13;
as shown in fig. 1 and 3, the fastening plate includes a left end fastening plate 6 for tightly fitting the left end of the core special-shaped column 1 and a protruding end fastening plate 8 for tightly fitting the protruding end 3, the right end of the protruding end fastening plate 8 is provided with a first horizontal plate 9 and a second horizontal plate 10 which are integrally formed and are opposite up and down, and the first horizontal plate 9 and the second horizontal plate 10 are connected with the end of the i-beam;
as shown in fig. 1 and 3, 1 or more stiffening rib plates 11 are respectively disposed on the upper end surface of the first horizontal plate 9 and the lower end surface of the second horizontal plate 10, the left end of each stiffening rib plate 11 is fixedly connected with the right end of the protruding end fastening plate 8, and the inner end is fixedly connected with the upper end surface of the first horizontal plate 9 or the lower end surface of the second horizontal plate 10;
as shown in fig. 1 and 3, 2 vertical plates 12 are further fixedly arranged on the right end surface of the protruding end fastening plate 8 between the first horizontal plate 9 and the second horizontal plate 10 along the longitudinal direction, the distance between the upper end and the lower end of each vertical plate 12 and the lower surface of the first horizontal plate 9 and the distance between the upper end and the lower end of the second horizontal plate 10 are matched with the thickness of an upper flange plate 17 and a lower flange plate 19 of an i-shaped steel beam, and the distance between the 2 vertical plates 12 is matched with the thickness of a web plate 18 of the i-shaped steel beam;
as shown in fig. 1 and 3, the end of the i-beam is inserted between the first horizontal plate 9 and the second horizontal plate 10, the upper surface of the upper flange plate 17 and the lower surface of the lower flange plate 19 respectively abut against the lower surface of the first horizontal plate 9 and the upper surface of the second horizontal plate 10, the outer surface of the web plate 18 respectively contacts with the inner surfaces of the 2 vertical plates 12, the end of the i-beam abuts against the right end surface of the protruding end fastening plate 8, the front and rear sides of the first horizontal plate 9 and the second horizontal plate 10 and the front and rear sides of the upper flange plate 17 and the lower flange plate 19 are respectively provided with a plurality of through bolt holes symmetrically about the web plate, and the right end of the adapter structure is fixedly connected with the end of the i-beam through high-strength bolts 14 penetrating through the bolt holes.
Examples 2,
As shown in fig. 1 and 3, the vertical plates 12 are made of low-carbon steel materials, 2 extrusion plates 16 which are arranged in parallel up and down are respectively connected to the outer end surfaces of the 2 vertical plates 12, and the left ends of the extrusion plates 16 are in clearance fit with the right end surfaces of the protruding end fastening plates 8;
as shown in fig. 1 and 4, a first pressure sensor 20, a second pressure sensor 21, a third pressure sensor 22 and a fourth pressure sensor 23 are respectively arranged on the right end face of the protruding end fastening plate 8 opposite to the left end of the pressing plate 16, the first pressure sensor 20, the second pressure sensor 21, the third pressure sensor 22 and the fourth pressure sensor 23 are respectively electrically connected with a power supply, a display and an alarm through leads, the first pressure sensor 20 and the third pressure sensor 22 are located above, and the second pressure sensor 21 and the fourth pressure sensor 23 are located below.
Examples 3,
As shown in fig. 1 and 4, a method for monitoring and determining a safety state of a connection node structure between a concrete filled steel tube special-shaped column and an i-shaped steel beam includes:
A. when the pressure values of the first pressure sensor 20 and the third pressure sensor are displayed and the pressure values of the fourth pressure sensor 21 and the second pressure sensor are 0, the upward tilting of the right end of the I-shaped steel beam is represented; and conversely, the right end of the I-shaped steel beam sags.
B. When the first pressure sensor 20 and the second pressure sensor 21 display pressure values, and the pressure values of the third pressure sensor and the fourth pressure sensor are 0, the front projection of the right end of the I-shaped steel beam is represented; and conversely, the right end of the I-shaped steel beam is convex backwards.
C. And if the numerical value of one pressure sensor is obviously greater than the numerical values of other pressure sensors, prompting that the right end of the I-shaped steel beam inclines to the angle of the pressure sensor.
D. If the value of any pressure sensor exceeds the specified warning value, the connection node is damaged, and the timely processing is needed.
The use principle of the invention is as follows:
1. the left end of the switching structure is connected with the clamping groove through the first clamping plate and the second clamping plate, and the switching structure can be accurately fixed in the horizontal direction through the tight fit of the fastening plate and the upper part of the outer surface of the core special-shaped column; the switching structure is accurately fixed in the longitudinal direction through the prestressed reinforcement, so that the overall accurate positioning of the switching structure is realized; due to the arrangement of the fastening plate and the prestressed reinforcement, the concrete filled steel tube special-shaped column with the built-in concrete can be firmer, and the bearing capacity and the shearing resistance are stronger; meanwhile, the top end of the core special-shaped column provided with the connecting node has stronger deformation resistance, and the stability of the connecting node is facilitated.
2. Through the arrangement, the use of bolts can be greatly reduced, and the left end of the connecting node is not damaged by the bolt hole, so that the structure is firmer.
3. The vertical plate made of the low-carbon steel material can play a role in damping and dissipating energy, and when the I-shaped steel beam vibrates, the vertical plate dissipates vibration energy, so that the stability of the connection node is kept.
4. According to the invention, by arranging the extrusion plate and the first to fourth pressure sensors, the stress and deformation states of the structure can be monitored in real time, and the displacement angle and direction of the structure can be judged according to data display so as to carry out corresponding maintenance; the connection node is the part which is most easily damaged in natural disasters such as earthquakes, so the real-time monitoring and alarming functions of the invention have important significance for earthquake resistance and disaster reduction.
Claims (10)
1. The utility model provides a steel pipe concrete dysmorphism post and I-shaped girder steel connected node structure, characterized in that: including core dysmorphism post, switching structure and I-shaped steel beam, core dysmorphism post in pour the concrete, be equipped with the draw-in groove on the lateral wall top of core dysmorphism post, the one end joint of switching structure on the top of core dysmorphism post, fixed connection can be dismantled with the tip of I-shaped steel beam to the other end, the concrete in be equipped with the prestressed reinforcement, the switching structure pass through the prestressed reinforcement along longitudinal fixity.
2. The connection node structure of the concrete filled steel tube special-shaped column and the I-shaped steel beam as claimed in claim 1, wherein: the cross section of the core special-shaped column is of a T-shaped structure, and clamping grooves are symmetrically formed in the left end of the T-shaped structure and two sides of the top end of the side wall of a protruding end protruding rightwards along the middle of the left end; the left end of the switching structure is provided with a first clamping plate and a second clamping plate, the first clamping plate and the second clamping plate are respectively clamped in 2 clamping grooves at the protruding end and the left end of the T-shaped structure, the lower surfaces of the end portions of the first clamping plate and the second clamping plate are further provided with fastening plates surrounding the top of the outer surface of the core special-shaped column, the cross section of each fastening plate is also of the T-shaped structure, and the inner surface of each fastening plate is in interference fit with the outer surface of the core special-shaped column.
3. The connection node structure of the concrete filled steel tube special-shaped column and the I-shaped steel beam as claimed in claim 2, wherein: the first clamping plate, the second clamping plate and the fastening plate are of an integrated structure, 1 or more through holes penetrating through the upper end face and the lower end face are formed in the first clamping plate and the second clamping plate respectively, the top ends of the prestressed steel bars penetrate through the through holes, and the left end of the switching structure is longitudinally fixed through an anchorage device.
4. The connection node structure of the concrete filled steel tube special-shaped column and the I-shaped steel beam as claimed in claim 3, wherein: the fastening plate comprises a left end fastening plate and a protruding end fastening plate, the left end fastening plate is used for being tightly matched with the left end of the core special-shaped column, the protruding end fastening plate is used for being tightly matched with the protruding end, the right end of the protruding end fastening plate is provided with a first horizontal plate and a second horizontal plate which are integrally formed and are opposite up and down, and the first horizontal plate and the second horizontal plate are connected with the end portion of the I-shaped steel beam.
5. The connection node structure of the concrete filled steel tube special-shaped column and the I-shaped steel beam as claimed in claim 4, wherein: the upper end face of the first horizontal plate and the lower end face of the second horizontal plate are respectively provided with 1 or more stiffening rib plates, the left ends of the stiffening rib plates are fixedly connected with the right ends of the protruding end fastening plates, and the inner side ends of the stiffening rib plates are fixedly connected with the upper end face of the first horizontal plate or the lower end face of the second horizontal plate.
6. The connection node structure of the concrete filled steel tube special-shaped column and the I-shaped steel beam as claimed in claim 5, wherein: the right-hand member face of the protruding end mounting plate between first horizontal plate and the second horizontal plate still fixed 2 risers that are equipped with along vertical setting, the distance between the upper and lower end of 2 risers respectively and the lower surface of first horizontal plate, and the upper surface of second horizontal plate matches with the thickness of the upper flange board, the lower flange board of I-steel roof beam, the distance between 2 risers matches with the thickness of the web of I-steel roof beam.
7. The connection node structure of the concrete filled steel tube special-shaped column and the I-shaped steel beam as claimed in claim 6, wherein: the end part of the I-shaped steel beam is inserted between the first horizontal plate and the second horizontal plate, the upper surface of the upper flange plate and the lower surface of the lower flange plate respectively abut against the lower surface of the first horizontal plate and the upper surface of the second horizontal plate, the outer surface of the web plate respectively contacts with the inner surfaces of the 2 vertical plates, the end part of the I-shaped steel beam abuts against the right end surface of the protruding end fastening plate, a plurality of bolt holes which are communicated with each other are symmetrically arranged on the front side and the rear side of the first horizontal plate and the second horizontal plate and the front side and the rear side of the upper flange plate and the lower flange plate respectively, and the right end of the switching structure is fixedly connected with the end part of the I-shaped steel beam through high-strength bolts penetrating through the bolt holes.
8. The connection node structure of the concrete filled steel tube special-shaped column and the I-shaped steel beam as claimed in claim 7, wherein: the vertical plates are made of low-carbon steel materials, the outer end faces of the 2 vertical plates are respectively connected with 2 extrusion plates which are arranged in an up-down parallel mode, and the left ends of the extrusion plates are in clearance fit with the right end faces of the protruding end fastening plates.
9. The connection node structure of the concrete filled steel tube special-shaped column and the I-shaped steel beam as claimed in claim 8, wherein: the right end face of the protruding end fastening plate opposite to the left end of the extrusion plate is provided with a first pressure sensor, a second pressure sensor, a third pressure sensor and a fourth pressure sensor respectively, the first pressure sensor, the second pressure sensor, the third pressure sensor and the fourth pressure sensor are electrically connected with a power supply, a display and an alarm through wires respectively, the first pressure sensor and the third pressure sensor are located above, and the second pressure sensor and the fourth pressure sensor are located below.
10. A method for monitoring the safety state of a steel structure, which is characterized in that the method for judging the connection state of the connection node structure of the steel pipe concrete special-shaped column and the I-shaped steel beam in claim 9 is adopted, and comprises the following steps:
A. when the first pressure sensor and the third pressure sensor display pressure values, and the pressure values of the fourth pressure sensor and the second pressure sensor are 0, the right end of the I-shaped steel beam is upwarped; on the contrary, the right end of the I-shaped steel beam sags;
B. when the first pressure sensor and the second pressure sensor display pressure values, and the pressure values of the third pressure sensor and the fourth pressure sensor are 0, the front projection of the right end of the I-shaped steel beam is represented; on the contrary, the right end of the I-shaped steel beam is convex backwards;
C. if the numerical value of one pressure sensor is obviously larger than the numerical values of other pressure sensors, the right end of the I-shaped steel beam is prompted to incline towards the angle of the pressure sensor;
D. if the value of any pressure sensor exceeds the specified warning value, the connection node is damaged, and the timely processing is needed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110641574.7A CN113338687B (en) | 2021-06-09 | 2021-06-09 | Connecting node structure of special-shaped column and I-shaped steel beam and node safety monitoring method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110641574.7A CN113338687B (en) | 2021-06-09 | 2021-06-09 | Connecting node structure of special-shaped column and I-shaped steel beam and node safety monitoring method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113338687A true CN113338687A (en) | 2021-09-03 |
| CN113338687B CN113338687B (en) | 2022-06-17 |
Family
ID=77475811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110641574.7A Active CN113338687B (en) | 2021-06-09 | 2021-06-09 | Connecting node structure of special-shaped column and I-shaped steel beam and node safety monitoring method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113338687B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116290883A (en) * | 2023-03-17 | 2023-06-23 | 董申伟 | Anti-seismic reinforcement and buffering structure and method for existing building |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2026646A (en) * | 1978-08-01 | 1980-02-06 | Hoan R | Structural Joint for a Building Framework |
| KR20100082672A (en) * | 2009-01-09 | 2010-07-19 | 구로사와 겐세츠 가부시키가이샤 | Joint construction of beam and pillar in prestressed concrete structure |
| JP2016153582A (en) * | 2015-02-21 | 2016-08-25 | 前田建設工業株式会社 | Non-welding reinforcement structure of construction |
| CN207260437U (en) * | 2017-09-29 | 2018-04-20 | 新疆金风科技股份有限公司 | Concrete combination column |
| CN109930689A (en) * | 2019-04-13 | 2019-06-25 | 蚌埠学院 | The prefabricated beam column shock-resistant node structure of Self-resetting |
| CN110424538A (en) * | 2019-08-22 | 2019-11-08 | 昆明理工大学 | A kind of internal connecting type bean column node |
| CN110439126A (en) * | 2019-08-19 | 2019-11-12 | 塔里木大学 | A kind of ultra-high performance concrete prefabricated components node |
| CN211080549U (en) * | 2019-08-29 | 2020-07-24 | 云南汉工建设有限公司 | Sleeve type square column and H-shaped steel beam assembled node |
| CN112854443A (en) * | 2021-01-08 | 2021-05-28 | 哈尔滨工业大学 | Assembly type concrete self-resetting beam-column combined node connecting structure and assembling method |
-
2021
- 2021-06-09 CN CN202110641574.7A patent/CN113338687B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2026646A (en) * | 1978-08-01 | 1980-02-06 | Hoan R | Structural Joint for a Building Framework |
| KR20100082672A (en) * | 2009-01-09 | 2010-07-19 | 구로사와 겐세츠 가부시키가이샤 | Joint construction of beam and pillar in prestressed concrete structure |
| JP2016153582A (en) * | 2015-02-21 | 2016-08-25 | 前田建設工業株式会社 | Non-welding reinforcement structure of construction |
| CN207260437U (en) * | 2017-09-29 | 2018-04-20 | 新疆金风科技股份有限公司 | Concrete combination column |
| CN109930689A (en) * | 2019-04-13 | 2019-06-25 | 蚌埠学院 | The prefabricated beam column shock-resistant node structure of Self-resetting |
| CN110439126A (en) * | 2019-08-19 | 2019-11-12 | 塔里木大学 | A kind of ultra-high performance concrete prefabricated components node |
| CN110424538A (en) * | 2019-08-22 | 2019-11-08 | 昆明理工大学 | A kind of internal connecting type bean column node |
| CN211080549U (en) * | 2019-08-29 | 2020-07-24 | 云南汉工建设有限公司 | Sleeve type square column and H-shaped steel beam assembled node |
| CN112854443A (en) * | 2021-01-08 | 2021-05-28 | 哈尔滨工业大学 | Assembly type concrete self-resetting beam-column combined node connecting structure and assembling method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116290883A (en) * | 2023-03-17 | 2023-06-23 | 董申伟 | Anti-seismic reinforcement and buffering structure and method for existing building |
| CN116290883B (en) * | 2023-03-17 | 2023-12-08 | 深圳中奇立泰科技发展有限公司 | Anti-seismic reinforcement and buffering structure and method for existing building |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113338687B (en) | 2022-06-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110952661B (en) | Method for determining connection node of frame beam and integrated house frame beam | |
| CN209891402U (en) | Assembled concrete-filled steel tube combined node structure | |
| CN113338687B (en) | Connecting node structure of special-shaped column and I-shaped steel beam and node safety monitoring method | |
| CN213897549U (en) | Fabricated house frame made of connecting pieces | |
| CN114396162A (en) | On-site assembling method for steel structure pipe truss | |
| CN210947142U (en) | Assembled concrete structure post roof beam connecting steel node | |
| CN210658724U (en) | Rigid connection node of steel column and concrete column | |
| CN111155658A (en) | Assembled abnormal shape node connecting device | |
| CN214833403U (en) | Steel pipe concrete special-shaped column connection node structure for building engineering | |
| CN217001017U (en) | Be applicable to new and old concrete beam column node reinforced structure | |
| CN112095448B (en) | Assembled damping device of high-speed railway bridge and application method and replacement method thereof | |
| CN110499826B (en) | Connecting structure between beam column and beam of steel structure factory building | |
| CN210238767U (en) | Prefabricated assembled beam column node adopting pressure-bearing steel plate | |
| CN210737377U (en) | Assembled bearing bracket | |
| CN112878508A (en) | Repairable assembly type reinforced concrete column-steel beam column joint and construction method thereof | |
| CN219100441U (en) | Connection structure of filling wallboard and main structure | |
| CN211774629U (en) | Assembled abnormal shape node connecting device | |
| CN213926764U (en) | Connecting structure of corner post connecting piece of multi-story high-rise building frame connecting piece system | |
| CN211774630U (en) | Steel pipe concrete special-shaped column and I-shaped steel beam connection node structure | |
| CN212224207U (en) | Steel reinforced concrete prefabricated housing unit | |
| CN213897554U (en) | Connecting structure of side column connecting piece of multi-story high-rise building frame connecting piece system | |
| CN220203004U (en) | Connection structure between concrete stand and steel stand | |
| CN215106425U (en) | Bidirectional prestressed prefabricated reinforced concrete hollow floor slab | |
| CN213897553U (en) | Connecting structure of center pillar connecting piece of multi-story high-rise building frame connecting piece system | |
| CN116695954B (en) | Rapid anchoring construction method for prestressed steel cable at position of opening of building structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |