CN217711165U - Beam-end haunched steel reinforced concrete beam column node - Google Patents
Beam-end haunched steel reinforced concrete beam column node Download PDFInfo
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- CN217711165U CN217711165U CN202221814988.1U CN202221814988U CN217711165U CN 217711165 U CN217711165 U CN 217711165U CN 202221814988 U CN202221814988 U CN 202221814988U CN 217711165 U CN217711165 U CN 217711165U
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 229
- 239000010959 steel Substances 0.000 title claims abstract description 229
- 239000011150 reinforced concrete Substances 0.000 title claims description 41
- 239000004567 concrete Substances 0.000 claims abstract description 57
- 238000009826 distribution Methods 0.000 claims abstract description 7
- 238000003466 welding Methods 0.000 claims description 42
- 210000003205 muscle Anatomy 0.000 claims description 8
- 210000003141 lower extremity Anatomy 0.000 claims 1
- 210000001364 upper extremity Anatomy 0.000 claims 1
- 230000003014 reinforcing effect Effects 0.000 abstract description 10
- 238000004873 anchoring Methods 0.000 description 7
- 238000010276 construction Methods 0.000 description 6
- 230000000149 penetrating effect Effects 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 239000004566 building material Substances 0.000 description 2
- 238000005304 joining Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000481 breast Anatomy 0.000 description 1
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Abstract
The utility model belongs to the technical field of building engineering, and relates to a beam end haunched section steel concrete beam column node, wherein short longitudinal ribs which can not anchor the beam are arranged along the upper and lower flanges of H-shaped steel in the beam, and the end part of the short longitudinal ribs which can not anchor the beam extends into the section steel concrete column and can not be anchored with the H-shaped steel in the column; the left and right sides of the upper flange and the lower flange of the H-shaped steel in the beam are provided with in-beam through node area lap ribs, the number of the short longitudinal ribs which cannot be anchored in the beam is the same as that of the in-beam through node area lap ribs, the in-beam through node area lap ribs are in one-to-one correspondence with the in-beam through node area lap ribs, and the in-beam through node area lap ribs are bent towards the respectively corresponding short longitudinal ribs which cannot be anchored in the beam, are abutted against the short longitudinal ribs and are then welded and connected with the short longitudinal ribs; the problem of in the past, because the node department of shaped steel concrete beam column is because the interference of reinforcing bar edge of a steel rib and reinforcing bar intensive distribution lead to the node steel bar connect too much and can't effectively take root the anchor is solved.
Description
Technical Field
The utility model belongs to the technical field of building engineering, a beam-ends haunched shaped steel concrete beam column node is related to.
Background
In order to ensure the welding quality of steel structure components, main steel components in the connection node structure of the column and the section steel concrete beam in the section steel concrete structure are processed and manufactured in a factory in advance and then are installed on the site, and the welding workload on the site is reduced as much as possible to ensure the engineering quality. Such as: welding the flange of the section steel column and the steel bracket; welding a steel sleeve on the flange plate of the section steel column; and the steel web of the section steel column is provided with a hole for penetrating the steel bar. And other steel structures such as lap plates, stiffening ribs, studs and the like are connected and constructed by accurate lofting welding in a factory after steel structure deepening design is required. The welding of a large number of steel structures adopts factory advanced processing and manufacturing, so that the construction is accurate, the quality is reliable, and the method is a construction method generally adopted at present.
At present, the connection node of the center pillar and the steel reinforced concrete beam of the treated steel reinforced concrete structure mainly has the following three connection modes: 1. a steel corbel and a beam longitudinal steel bar which cannot be communicated are arranged on a profile steel flange plate in the column in a welding mode; 2. arranging a steel sleeve connector on the flange plate of the profile steel in the column to be connected with the longitudinal steel bars of the beam; 3. the method is characterized in that holes are formed in the middle-sized steel web plates of the columns, and the beam longitudinal bars are connected in a penetrating mode by bypassing the column-shaped steel flanges, and are described in the existing national standard drawing set ' arrangement rule of the steel bars for the construction of the steel-concrete structure and the detailed structural drawing ' 12SG904-1 '.
However, at the beam-column node in the steel reinforced concrete structure, not only the connection of the steel ribs in the beam-column but also the longitudinal and transverse connection of the steel bars of the beam-column are adopted, so that not only are the crossing and the concentration intensive, but also when the blocking of the steel rib flanges exists, the steel bars in the beam are difficult to root and anchor in the column, and the steel bar anchoring in some beams cannot be constructed according to the node structure required by the map set. For the node position of the section steel beam column, because the steel bars are densely arranged and the space is narrow, the steel rib flanges and the densely distributed steel bars in the frame column are not easy to be connected with the beam longitudinal bars, so that the connection space is insufficient, and the steel rib flanges and the densely distributed steel bars cause that the connection of the node steel bars is very difficult. The problems of steel bar connection and rooting and anchoring at the positions are difficult to solve according to the prior art, so that the safety and reliability of the whole structure are influenced.
Therefore, there is a need for a steel reinforced concrete beam-column joint capable of performing steel bar connection and rooting anchoring under the conditions of steel rib flanges, densely distributed steel bars and insufficient space, so as to solve the problem.
Disclosure of Invention
The utility model provides a technical scheme that technical problem took is: a beam end haunched section steel concrete beam column node is formed by fixedly connecting a section steel concrete column and a section steel concrete beam, wherein H-shaped steel in the column is arranged in the section steel concrete column, column longitudinal ribs are arranged in the section steel concrete column, the column longitudinal ribs are positioned on the fixedly connected side of the node and the periphery of the H-shaped steel in the column, the column longitudinal ribs are positioned on the outer side of the H-shaped steel in the column, and the section steel concrete beam is internally provided with the H-shaped steel in the beam;
two or more than two anchorable beam short longitudinal ribs which are required to be fixed on flanges of the H-shaped steel in the column in the upper beam are respectively arranged along the upper flange and the lower flange of the H-shaped steel in the beam, one end of the anchorable beam short longitudinal rib is fixedly connected with the flange of the H-shaped steel in the connecting column, and the other end of the anchorable beam short longitudinal rib extends towards the opposite direction of the node along the length direction of the H-shaped steel in the beam; two or more short longitudinal ribs which cannot anchor the beam are arranged on the upper flange and the lower flange of the H-shaped steel in the beam in the section steel concrete beam, and the end part of the short longitudinal rib which cannot anchor the beam extends into the section steel concrete column and cannot be anchored with the H-shaped steel in the column; the left side and the right side of an upper flange and a lower flange of H-shaped steel in a beam in a section steel concrete beam are respectively provided with one or more than one beam in-horizontal-direction through node area lap joint ribs, the number of short longitudinal ribs of the non-anchored beam and the number of the through node area lap joint ribs in the beam are the same and are in one-to-one correspondence, one end of the through node area lap joint rib in the beam extends into the section steel concrete column and is flush with the outer wall of the section steel concrete column, the other end of the through node area lap joint rib in the beam extends towards the opposite direction of a node along the length direction of the H-shaped steel in the beam, the opposite direction extending end of the through node area lap joint rib in the beam extends out of the section steel concrete column by 35-45 times of the diameter of the lap joint rib, the through node area lap joint rib in the beam is bent towards the upper flange and the lower flange of the H-shaped steel in the beam corresponding to be tightly leaned with the short longitudinal ribs of the non-anchored beam, the tight part of the through node area lap joint rib in the beam is provided with a welding section, and the welding section is parallel to the short longitudinal ribs of the non-anchored beam and is welded side by side;
the H-shaped steel in the beam is surrounded by a plurality of hoops which are rectangular, the hoops and the rectangular hoops in the normal beam are distributed in a staggered manner, the hoops tightly hoop the anchorable beam short longitudinal ribs and the anchorable beam short longitudinal ribs at the upper flange of the H-shaped steel in the beam and the through node area lap-joint ribs in the beam inside the upper ribs of the hoops, and the hoops tightly hoop the anchorable beam short longitudinal ribs and the anchorable beam short longitudinal ribs at the lower flange of the H-shaped steel in the beam and the through node area lap-joint ribs in the beam inside the lower ribs of the hoops; the lapping ribs penetrating through the joint area in the beam are concentrated in the corner area outside the upper flange and the lower flange in a parallel rib mode, so that the realization of the structure of a strong column and a weak beam is ensured; the width of the left and right haunches in the beam is as small as possible, so that the through node area built bars in the beam placed in the beam can bypass the blocking of the flange of the H-shaped steel in the column.
Preferably, the steel reinforced concrete beam is sequentially divided into a first beam section, a second beam section and a third beam section from a node to a far end along the length direction, the width of the first beam section is larger than that of the third beam section, the width of the third beam section is equal to the original width of the steel reinforced concrete beam, the width of the second beam section is in smooth transition from the width of the first beam section to the width of the third beam section, the first beam section includes the welding section, the cross sections of the first beam section, the second beam section and the third beam section are rectangular, and concrete is poured into the first beam section, the second beam section and the third beam section; the steel reinforced concrete beam is widened near the node and gradually and smoothly transits to the original width after passing through the welded joint, so that the problem that the steel bars at the node are excessively connected and cannot effectively root and anchor at the node due to interference of steel rib flanges and intensive distribution of the steel bars at the node of the conventional steel reinforced concrete beam column is solved, and meanwhile, the building materials are saved.
Preferably, the horizontal position of the short longitudinal bar of the anchorable beam and the horizontal position of the longitudinal bar of the column are staggered and spaced.
Preferably, the horizontal position of the short longitudinal rib of the anchorable beam is free from the longitudinal rib of the column, and not less than 3 through short longitudinal ribs of the anchorable beam.
Preferably, but the connected mode of the H shaped steel flange in the short longitudinal bar one end fixed connection post of anchor roof beam includes: and connecting the steel sleeve connector and welding.
Preferably, the welding points of the short longitudinal ribs of the upper flange and the lap ribs of the through node area in the beam are welded side by side to form a beam, and the welding points of the short longitudinal ribs of the lower flange and the lap ribs of the through node area in the beam are welded side by side to form a beam.
Preferably, the welding length of the welding section is not less than 10 times of the diameter of the short longitudinal rib of the beam which cannot be anchored.
Preferably, the short longitudinal ribs of the anchorable beam are parallel to each other, and the short longitudinal ribs of the anchorable beam are not parallel to the lap joint ribs of the through node area in the beam.
Preferably, the spacing between the hoops is no more than 100mm.
Preferably, welding sections on the through node area lap joint ribs in the beams on the two sides of the upper flange are welded into bundles side by side, and welding sections on the through node area lap joint ribs in the beams on the two sides of the lower flange are welded into bundles side by side; the welding section welded into a bundle has better stability and firmness.
The beneficial effects of the utility model are that:
the utility model discloses link up node zone overlap joint muscle in addding the roof beam on frame roof beam cross section, link up node zone overlap joint muscle one end anchor in the adoption roof beam and stretch out the unable anchor of welded connection short longitudinal bar's of certain length back of buckling lay the mode of laying in the shaped steel concrete column the other end, solved in the past shaped steel concrete beam column node department because the reinforcing bar edge of a steel rib interferes and the intensive distribution of reinforcing bar leads to the node steel bar connection too much and can't effectively take root the anchor problem, simultaneously the utility model discloses it is profitable replenishment to current shaped steel concrete beam column node connected mode, the utility model discloses node connected mode safe and reliable, the anchor is stable.
Drawings
FIG. 1 is an isometric view of a beam-column joint of a beam-end haunched steel reinforced concrete beam-column joint;
FIG. 2 is an isometric view of the lap bars after joining;
FIG. 3 is an isometric view of the beam after concrete has been poured therein;
FIG. 4 is a cross-sectional view of the beam after the lap ribs have been joined;
FIG. 5 is a top view of the lap bars after joining;
FIG. 6 is a cross-sectional view of the beam after concrete has been poured into the beam;
FIG. 7 is an isometric view of a welded segment of the lap ribs after welding.
In the figure: 1. a steel concrete column; 2. a steel reinforced concrete beam; 101. h-shaped steel in the column; 102. a column longitudinal bar; 201. h-shaped steel in the beam; 202. the short longitudinal bars of the beam can be anchored; 203. the short longitudinal bars of the beam cannot be anchored; 204. a through node area lap joint rib in the beam; 205. welding a section; 206. rectangular stirrups in the normal beam; 207. a hoop; 208. A first beam section; 209. a second beam section; 210. a third beam section.
Detailed Description
The related art in the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is to be understood that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 7, a beam end haunched type steel concrete beam column node is formed by fixedly connecting a type steel concrete column 1 and a type steel concrete beam 2, wherein H-shaped steel 101 in the column is arranged in the type steel concrete column 1, a column longitudinal rib 102 is arranged in the type steel concrete column 1, the column longitudinal rib 102 is positioned on the fixedly connected side of the node and on the periphery of the H-shaped steel in the column, the column longitudinal rib 102 is positioned on the outer side of the H-shaped steel 101 in the column, and H-shaped steel 201 in the beam is arranged in the type steel concrete beam 2;
two or more anchorable beam short longitudinal ribs 202 which are required to be fixed on the flange of the H-shaped steel 101 in the column in the upper beam are respectively arranged along the upper flange and the lower flange of the H-shaped steel 201 in the beam, one end of the anchorable beam short longitudinal rib 202 is fixedly connected with the flange of the H-shaped steel 101 in the column, and the other end of the anchorable beam short longitudinal rib 202 extends towards the opposite direction of the node along the length direction of the H-shaped steel 201 in the beam; two or more short longitudinal ribs 203 which cannot anchor the beam are arranged on the upper flange and the lower flange of the H-shaped steel 201 in the beam in the steel reinforced concrete beam 2, and the end part of the short longitudinal rib 203 which cannot anchor the beam extends into the steel reinforced concrete column 1 and cannot be anchored with the H-shaped steel 101 in the column; one or more than one beam middle through node area lap joint rib 204 in the horizontal direction is arranged on the left side and the right side of an upper flange and a lower flange of an H-shaped steel 201 in a beam in a section steel concrete beam 2, the number of the beam middle through node area lap joint ribs 204 which cannot be anchored is the same as that of the beam middle through node area lap joint ribs 204, one end of the beam middle through node area lap joint rib 204 extends into the section steel concrete column 1 and is flush with the outer wall of the section steel concrete column 1, the other end of the beam middle through node area lap joint rib 204 extends towards the opposite direction of a node along the length direction of the H-shaped steel 201 in the beam, the opposite direction extending end of the beam middle through node area lap joint rib 204 extends out of the section steel concrete column 1 for 35-45 times of the diameter of the lap joint rib, the beam middle through node area lap joint rib 204 is bent towards the upper flange and the lower flange of the H-shaped steel 201 in the corresponding beam respectively and is close to the beam middle through node area lap joint rib 203, a welding section 205 is arranged at the close position of the beam middle through node area lap joint rib 204, and the welding section 205 is parallel to the beam longitudinal rib 203 and is welded side by side;
the H-shaped steel 201 in the beam is provided with a plurality of hoops 207 in a surrounding manner, the hoops 207 are rectangular, the hoops 207 and the rectangular hoops 206 in the normal beam are distributed in a staggered manner, the hoops 207 tightly hoop the anchorable beam short longitudinal ribs 202, the anchorable beam short longitudinal ribs 203 and the through node area lap ribs 204 in the beam at the upper flange of the H-shaped steel 201 in the beam inside the upper ribs of the hoops 207, and the hoops 207 tightly hoop the anchorable beam short longitudinal ribs 202, the anchorable beam short longitudinal ribs 203 and the through node area lap ribs 204 in the beam at the lower flange of the H-shaped steel 201 in the beam inside the lower ribs of the hoops 207; the lapping ribs penetrating through the joint area in the beam are concentrated in the corner area outside the upper flange and the lower flange in a parallel rib mode, so that the realization of the structure of a strong column and a weak beam is ensured; the width of the left and right haunches in the beam is as small as possible, so that the through node area built bars in the beam placed in the beam can bypass the blocking of the flange of the H-shaped steel in the column.
Further, the steel reinforced concrete beam 2 is sequentially divided into a first beam section 208, a second beam section 209 and a third beam section 210 from a node to a far end along the length direction, the width of the first beam section 208 is larger than that of the third beam section 210, the width of the third beam section 210 is equal to the original width of the steel reinforced concrete beam 2, the width of the second beam section 209 is smoothly transited from the width of the first beam section 208 to the width of the third beam section 210, the first beam section 208 includes a welding section 205, the cross sections of the first beam section 208, the second beam section 209 and the third beam section 210 are rectangular, and concrete is poured into the first beam section 208, the second beam section 209 and the third beam section 210; the steel reinforced concrete beam 2 is widened near the node and gradually and smoothly transits to the original width after passing through the welded joint, so that the problem that the steel bars at the node are excessively connected and cannot effectively root and anchor at the node due to interference of steel rib flanges and intensive distribution of the steel bars at the node of the conventional steel reinforced concrete beam column is solved, and meanwhile, the building materials are saved.
Further, the horizontal position of the anchorable beam short longitudinal rib 202 is staggered and spaced from the horizontal position of the column longitudinal rib 102.
Further, the horizontal position of the short longitudinal rib 202 of the anchorable beam should be kept away from the column longitudinal rib 102 and no less than 3 through holes are formed.
Further, the connection mode that can anchor the flange of H shaped steel 101 in the roof beam short longitudinal rib 202 one end fixed column includes: and connecting the steel sleeve connector and welding.
Further, the welding points of the short longitudinal rib 203 of the upper flange and the through node area lap rib 204 in the beam are welded side by side to form a beam, and the welding points of the short longitudinal rib 203 of the lower flange and the through node area lap rib 204 in the beam are welded side by side to form a beam.
Further, the welding length of the welding section 205 is not less than 10 times of the diameter of the short longitudinal rib 203 of the beam which cannot be anchored.
Further, the anchorable beam short longitudinal ribs 202 are parallel to each other, and the anchorable beam short longitudinal ribs 203 are not parallel to the beam middle through node region lap ribs 204.
Further, the distance between the hoops 207 is not more than 100mm.
Further, welding sections 205 in the beams on the two sides of the upper flange, which are connected with the joint area lap joint ribs 204, are welded side by side to form a bundle, and welding sections 205 in the beams on the two sides of the lower flange, which are connected with the joint area lap joint ribs 204, are welded side by side to form a bundle; the welded segments 205 welded into a bundle have better stability and robustness.
Examples
In this embodiment, the frame core section of thick bamboo shaped steel concrete system has been adopted to the structure in certain project of actual engineering, in the reinforcing district of structure bottom, has adopted shaped steel concrete frame post, shaped steel concrete frame roof beam and steel sheet concrete shear wall structural arrangement scheme in the design, and the several layers of bottom are in beam column node and beam wall node junction, and beam column reinforcing bar arranges very densely for the beam column reinforcing bar takes root the anchor very difficultly.
In the plane arrangement of the original three-layer structure, the section sizes of the frame beams are larger than those of the common structure, 36 steel bars with the diameters of 25 and 14 steel bars with the diameters of 16 are additionally arranged on the frame columns except the steel bars, the steel reinforced concrete beam 2 is provided with the H-shaped steel 201 in the beam, 12 steel bars with the diameters of 32 on the top of the beam and 12 steel bars with the diameters of 32 under the beam, and the connection and anchoring of the intensive steel bars with the high strength and the diameters are very important from the aspect of stress. Generally, the anchoring mode of the steel bars in the beams in the columns can be solved in three connection modes of the arrangement rule and the construction detailed drawing 12SG904-1 of the steel bar concrete structure construction steel bars, and most of the anchoring modes are suitable for the condition of one to two rows of steel bars. In this embodiment, when three layers of steel bars need to be arranged at the top or bottom of the frame beam, the penetration between the steel flange in the column and the steel bar in the column may be avoided. It is difficult to arrange 12 steel bars with 32 diameters according to three connection modes of 12SG904-1, which are limited by the section size of the originally designed frame beam and the range of 200mm up and down of steel ribs therein.
In the embodiment, a mode of adjusting the width in the range near the node of the reinforced concrete beam is adopted, on the premise of ensuring that the number of the steel bars in the beam 201 and the beam is not changed and the number of the steel bars in the beam 101 and the column is not changed in the center column of the reinforced concrete column 1, firstly, the short longitudinal bar 202 of the anchorable beam is anchored on the flange of the H-shaped steel 101 in the column in a manner of connecting the end close to the node with the short longitudinal bar 202 of the anchorable beam by a steel sleeve, then the short longitudinal bar 203 of the anchorable beam and the short longitudinal bar 202 of the anchorable beam are arranged side by side and at intervals in a staggered manner, the short longitudinal bar 202 of the anchorable beam, the short longitudinal bar 203 of the anchorable beam and the horizontal position of the column longitudinal bar 102 are arranged at intervals in a staggered manner, then the lap joint bar 204 of the through node area in the beam is arranged, the end close to the lap joint bar 204 of the through node area extends into the reinforced concrete column 1 and is parallel and level with the outer wall of the reinforced concrete column 1, the other end of the lap joint bar 204 of the through node area extends out a certain length and then the upper flange 201 of the H-shaped steel bar 201 of the beam in the beam corresponding beam, the lower flange 201 of the beam and the short longitudinal bar 203 and the vertical beam with the corresponding longitudinal bar 203 in the corresponding anchor beam are bent and the corresponding node, and the same number of the lap joint area 204 through and the short longitudinal bar 203, and the short longitudinal bar 204 are ensured, and the short longitudinal bar in the anchor beam through the anchor beam, and the short longitudinal bar 204.
The concrete implementation is that 8 anchorable beam short longitudinal ribs 202 are uniformly distributed at the upper and lower flanges of H-shaped steel 201 in the beam, and pass through the flanges of H-shaped steel 101 in a steel sleeve connector connecting column, 4 anchorable beam short longitudinal ribs 203 are respectively arranged at the upper and lower flanges of H-shaped steel 201 in the beam, two outer sides of the upper and lower flanges of H-shaped steel 201 in the beam are respectively provided with 2 beam through node area lap-joint ribs 204 which extend into a section steel concrete column 1 and are flush with the outer wall of the section steel concrete column 1, and 8 anchorable beam short longitudinal ribs 202 and 4 anchorable beam short longitudinal ribs 203 at the upper flange of H-shaped steel 201 in the beam and 2 beam through node area lap-joint ribs 204 at two sides are tightly hooped inside through a hoop 207; 8 anchorable beam short longitudinal ribs 202 at the lower flange of the H-shaped steel 201 in the beam, 4 anchorable beam short longitudinal ribs 203 and through node area lap-joint ribs 204 in each 2 beams at two sides are tightly hooped inside by a hoop 207, because one end of the through node area lap-joint ribs 204 in the beam extends into the steel concrete column 1 and is flush with the outer wall of the steel concrete column 1, and the other end is bent and is tightly leaned on and welded with the anchorable beam short longitudinal ribs 203, and effective and reliable anchorage of a plurality of anchorable beam short longitudinal ribs 203 which can not effectively root and anchor due to excessive connection of node reinforcing steel bars caused by interference of the flange of the steel bars and intensive distribution of the reinforcing steel bars is realized. In the three layer construction type steel reinforced concrete beam in this embodiment, in former beam width 500 within range, the upper and lower cross-section internal reinforcement of roof beam is in the node district for dodging the link up of reinforcing bar in the post, disposes the sleeve connector of a row of 32 diameters in the roof beam 4 at most, if need arrange 12 reinforcing bars according to former design support department, arrange at roof beam and breast respectively, need arrange 3 rows at least. As the space between the upper and lower flanges of the H-shaped steel 201 in the beam and the bottom or top of the beam is only 200mm, 3 rows of the H-shaped steel can be arranged only by 280 mm. Thus, only the anchoring of 2 rows of 8 steel bars can be solved, and 4 steel bars in the column can not be connected and anchored by the sleeve. And the armpit mode of the lap joint rib is adopted, and the lap joint rib is arranged at the armpit beam end of the beam to anchor the beam in the steel bar which cannot be anchored after lap joint conversion.
To sum up, the utility model provides a beam-ends adds armpit shaped steel concrete beam column node, link up node area overlap joint muscle in addding the roof beam on frame roof beam cross section, link up node area overlap joint muscle one end anchor in the adoption roof beam and stretch out the unable anchor of the short longitudinal reinforcement of welded connection after certain length buckles in the shaped steel concrete column the other end, solved in the past shaped steel concrete beam column node because the node steel bar connection that the steel rib edge of a wing interference and reinforcing bar intensive distribution lead to is too much and can't effectively take root the anchored problem, simultaneously the utility model discloses it is profitable replenishment to current national standard connected mode, the utility model discloses node connected mode safe and reliable, the anchor is stable, consequently the utility model discloses possess extensive application prospect.
It is to be emphasized that: the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any form, and any simple modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.
Claims (10)
1. The utility model provides a beam-ends haunched shaped steel concrete beam column node, the node is formed by shaped steel concrete column (1) and shaped steel concrete beam (2) fixed connection, H shaped steel (101) in being equipped with the post in shaped steel concrete column (1), it indulges muscle (102) to be equipped with the post in shaped steel concrete column (1), the post is indulged muscle (102) and is located the fixed connection side of node, the outside that muscle (102) are located H shaped steel (101) in the post is indulged to the post, be equipped with H shaped steel (201) in the roof beam in shaped steel concrete beam (2), its characterized in that:
two or more anchorable beam short longitudinal ribs (202) which are required to be fixed on the flange of the H-shaped steel (101) in the column in the upper beam and the lower beam flange of the H-shaped steel (201) in the beam are respectively arranged along the upper flange and the lower flange of the beam, one end of each anchorable beam short longitudinal rib (202) is fixedly connected with the flange of the H-shaped steel (101) in the column, and the other end of each anchorable beam short longitudinal rib (202) extends towards the opposite direction of the node along the length direction of the H-shaped steel (201) in the beam; two or more short longitudinal ribs (203) of the beam which cannot be anchored are arranged on the upper flange and the lower flange of the H-shaped steel (201) in the beam in the steel reinforced concrete beam (2), and the end part of the short longitudinal rib (203) of the beam which cannot be anchored extends into the steel reinforced concrete column (1) and cannot be anchored with the H-shaped steel (101) in the column; the left and right sides of the upper flange and the lower flange of the H-shaped steel (201) in the beam in the steel reinforced concrete beam (2) are respectively provided with one or more than one beam in-beam through joint area lap joint rib (204) in the horizontal direction, the short longitudinal ribs (203) of the non-anchorable beam are the same as the number of the beam in-beam through joint area lap joint ribs (204) in the beam and correspond to the beam in one to one, one end of the beam in-beam through joint area lap joint rib (204) extends into the steel reinforced concrete column (1) and is flush with the outer wall of the steel reinforced concrete column (1), the other end of the beam in-beam through joint area lap joint rib (204) extends towards the opposite direction of the joint along the length direction of the H-shaped steel (201) in the beam, after the end of the beam in-direction extending out of the steel reinforced concrete column (1) is 35-45 times of the diameter of the lap joint rib (204), the through joint area lap joint rib (204) in the beam extends towards the upper flange and the lower flange of the H-shaped steel (201) in the beam corresponding beam, is bent inwards and is tightly connected with the short longitudinal ribs (203) in the non-anchorable beam, the through joint area lap joint rib (204) in the beam, and the welding section of the beam is parallel to the welding section (205) in the beam, and the welding section of the beam (205) is parallel to the welding section of the beam;
h shaped steel (201) encircles and is equipped with a plurality of hoops (207) in the roof beam, hoops (207) are the rectangle, hoops (207) and rectangle stirrup (206) crisscross distribution in the normal roof beam, hoop (207) with in the roof beam can anchor roof beam short longitudinal rib (202), can't anchor roof beam short longitudinal rib (203) and in the roof beam link up in the upper limb department of H shaped steel (201) tightly hoop in the inside of hoop (207) muscle, hoop (207) with in the roof beam can anchor roof beam short longitudinal rib (202), can't anchor roof beam short longitudinal rib (203) and in the roof beam link up in the lower limb department of H shaped steel (201) tightly hoop (207) the inside of hoop.
2. The beam-end haunched steel reinforced concrete beam-column node is characterized in that the steel reinforced concrete beam (2) is sequentially divided into a first beam section (208), a second beam section (209) and a third beam section (210) from the node to the far end along the length direction, the width of the first beam section (208) is larger than that of the third beam section (210), the width of the third beam section (210) is equal to the original width of the steel reinforced concrete beam (2), the width of the second beam section (209) is smoothly transited from the width of the first beam section (208) to the width of the third beam section (210), the first beam section (208) includes a welding section (205), the cross sections of the first beam section (208), the second beam section (209) and the third beam section (210) are rectangular, and concrete is poured in the first beam section (208), the second beam section (209) and the third beam section (210).
3. A beam-end haunched steel reinforced concrete beam-column node according to claim 1, characterized in that the horizontal position of the anchorable beam short longitudinal bar (202) is staggered and spaced from the horizontal position of the column longitudinal bar (102).
4. The beam-end haunched steel reinforced concrete beam-column node according to claim 1, characterized in that the horizontal position of the anchorable beam short longitudinal bar (202) is free from the column longitudinal bar (102) and not less than 3 through anchorable beam short longitudinal bars (202).
5. The beam-end haunched steel reinforced concrete beam-column joint as claimed in claim 1, wherein the connection mode of flanges of the H-section steel (101) in the fixed connection column at one end of the anchorable beam short longitudinal bar (202) comprises: and connecting the steel sleeve connector and welding.
6. The beam-end haunched steel reinforced concrete beam-column joint as claimed in claim 1, characterized in that the short longitudinal beam non-anchorable ribs (203) at the upper flange are welded side by side with the welding points of the through joint area lap ribs (204) in the beam in a bundle, and the short longitudinal beam non-anchorable ribs (203) at the lower flange are welded side by side with the welding points of the through joint area lap ribs (204) in the beam in a bundle.
7. A beam-end haunched steel reinforced concrete beam-column node according to claim 1, characterized in that the welding length of the welding section (205) is not less than 10 times the diameter of the short longitudinal bar (203) of the un-anchorable beam.
8. A beam-end haunched steel reinforced concrete beam-column joint as claimed in claim 1, characterized in that said anchorable beam short longitudinal bars (202) are parallel to each other and said anchorable beam short longitudinal bars (203) are parallel to a through-joint zone lap bar (204) in the beam.
9. A beam-end haunched steel reinforced concrete beam-column node according to claim 1, characterised in that the spacing between the hoops (207) is no more than 100mm.
10. The beam-end haunched steel reinforced concrete beam-column joint as claimed in claim 1, characterized in that the welding sections (205) on the through node zone overlapping ribs (204) in the beams on both sides of the upper flange are welded side by side into a bundle, and the welding sections (205) on the through node zone overlapping ribs (204) in the beams on both sides of the lower flange are welded side by side into a bundle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221814988.1U CN217711165U (en) | 2022-07-14 | 2022-07-14 | Beam-end haunched steel reinforced concrete beam column node |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221814988.1U CN217711165U (en) | 2022-07-14 | 2022-07-14 | Beam-end haunched steel reinforced concrete beam column node |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217711165U true CN217711165U (en) | 2022-11-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221814988.1U Expired - Fee Related CN217711165U (en) | 2022-07-14 | 2022-07-14 | Beam-end haunched steel reinforced concrete beam column node |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217711165U (en) |
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2022
- 2022-07-14 CN CN202221814988.1U patent/CN217711165U/en not_active Expired - Fee Related
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Granted publication date: 20221101 |