CN114351854A - Reinforced concrete column and steel column connecting node structure - Google Patents
Reinforced concrete column and steel column connecting node structure Download PDFInfo
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- CN114351854A CN114351854A CN202111462327.7A CN202111462327A CN114351854A CN 114351854 A CN114351854 A CN 114351854A CN 202111462327 A CN202111462327 A CN 202111462327A CN 114351854 A CN114351854 A CN 114351854A
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Abstract
The invention discloses a reinforced concrete column and steel column connecting node structure, which comprises a reinforced concrete column and a steel column which are distributed from bottom to top, wherein the reinforced concrete column comprises a frame column and first concrete filled in the frame column, a plurality of studs are fixedly arranged on the outer surface of the steel column, and the lower end of the steel column is inserted into the frame columnThe steel column is filled with first concrete, second concrete is filled in the steel column, and the distance between the lower end surface of the steel column and the upper end surface of the frame column is recorded as H1，H1Satisfies the following conditions: h is more than or equal to 12m1Less than or equal to 13m, and recording the height of the second concrete as H2，H2Satisfies the following conditions: h1/2≤H2≤H1(ii) a The advantage is that vertical rigidity is better, helps whole building structure's vertical rigidity smooth transition, satisfies the antidetonation demand, and the economic nature is better.
Description
Technical Field
The invention belongs to the technical field of steel-concrete building engineering, and particularly relates to a connection node structure of a reinforced concrete column and a steel column.
Background
In large-scale and ultra-large-scale petrochemical gasification devices, particularly after China has complete independent intellectual property rights of large coal gas making process technology, the scale of the coal gas making devices is developed from the original coal feeding amount of 1000 t/day to the coal feeding amount of 2000 t/day at present, even 2500 t/day. The most important reaction frame in the petrochemical gasification device is a gasification frame, the amount of the gasification frame is changed from the original amount to the quality, particularly, the main body height of the gasification frame is often close to 90m, the total height is close to 100m, and the maximum load of the column bottom of the gasification frame is close to 30000 KN.
In many projects, the height of the gasification frame, process pipelines and the like are influenced, and the structural form of the gasification frame is severely limited. Use general building engineering as an example, reinforced concrete structure is adopted to building structure's lower part, steel construction is adopted on building structure's upper portion, the bottom of steel construction adopts articulated form and reinforced concrete structure's top to be connected, although reinforced concrete structure and steel construction self vertical rigidity are better, but reinforced concrete structure and steel construction between the connected node rigidity relatively poor, lead to the unable steady transition of whole building structure's vertical rigidity, direct influence whole building structure's rigidity, stability and bearing capacity, only be applicable to the less occasion of steel construction load, to petrochemical gasification device, the load of each layer equipment and pipeline is all very big, adopt this type of building structure can't satisfy the antidetonation demand.
If the gasification frame is built by adopting structural forms such as an all-steel structure, a section steel concrete structure, a frame shear wall structure, a cylinder-in-cylinder structure and the like, the civil construction cost is too high, or the arrangement of process equipment and pipelines can be greatly influenced, so that the structural scheme is often difficult to adopt.
Disclosure of Invention
The invention aims to solve the technical problem of providing a connection node structure of a reinforced concrete column and a steel column, which has good vertical rigidity, is beneficial to stable transition of the vertical rigidity of the whole building structure, meets the earthquake-resistant requirement and has good economical efficiency.
The technical scheme adopted by the invention for solving the technical problems is as follows: the reinforced concrete column and steel column connecting node structure comprises a reinforced concrete column and a steel column which are distributed from bottom to top, wherein the reinforced concrete column comprises a frame column and first concrete filled in the frame column, a plurality of studs are fixedly arranged on the outer surface of the steel column, the lower end of the steel column is inserted into the frame column, the first concrete is filled between the outer side of the steel column and the inner wall of the frame column, second concrete is filled in the steel column, and the distance between the lower end surface of the steel column and the upper end surface of the frame column is recorded as H1，H1Satisfies the following conditions: h is more than or equal to 12m1Less than or equal to 13m, and recording the height of the second concrete as H2，H2Satisfies the following conditions: h1/2≤H2≤H1。
The steel reinforcement cage is characterized in that a steel reinforcement cage consisting of a plurality of longitudinal reinforcements and a plurality of column hooping reinforcements is arranged in the frame column, the steel reinforcement cage is positioned between the frame column and the steel column, and the outer side wall of the steel reinforcement cage is in contact with the inner side wall of the frame column.
The longitudinal ribs are distributed in the space between the frame column and the steel column in a surrounding mode, and a plurality of reinforcing assemblies used for improving structural strength are arranged on the longitudinal ribs.
The reinforcing component comprises a plurality of layers of stirrups distributed from bottom to top, the stirrups are adjacent, the distance between the stirrups is 100mm, the stirrups are located at the lowest layer, the stirrups are located with the lower end face of the steel column, the distance between the stirrups is not more than 100mm, and the stirrups are located at the uppermost layer, and the distance between the stirrups are not more than 100mm and the upper end face of the frame column.
The frame column is a square tube, four inner sides of the square tube are defined as a front inner surface, a rear inner surface, a left inner surface and a right inner surface respectively, twenty-four longitudinal ribs are arranged and distributed in sequence, the first longitudinal rib, the seventh longitudinal rib, the thirteenth longitudinal rib and the nineteenth longitudinal rib are positioned at four inner corners of the square tube, the second longitudinal rib, the third longitudinal rib, the fourth longitudinal rib, the fifth longitudinal rib and the sixth longitudinal rib are positioned at the rear inner surface, the eighth longitudinal rib, the ninth longitudinal rib, the tenth longitudinal rib, the eleventh longitudinal rib and the twelfth longitudinal rib are positioned at the right inner surface, the fourteenth longitudinal rib, the fifteenth longitudinal rib and the fifteenth longitudinal rib are positioned at the right inner surface, Sixteenth, seventeenth and eighteenth longitudinal ribs are located on the inner face of the front side, and twenty-eighth, twenty-fifth, twenty-sixth, twenty-fourth, twenty-third and twenty-fourth longitudinal ribs are located on the inner face of the left side; the stirrup group comprises eight additional stirrups, the second longitudinal reinforcement is connected with the eighteenth longitudinal reinforcement through the first additional stirrup, the sixth longitudinal reinforcement is connected with the fourteenth longitudinal reinforcement through the second additional stirrup, the eighth longitudinal reinforcement is connected with the twenty-fourth longitudinal reinforcement through the third additional stirrup, the twelfth longitudinal reinforcement is connected with the twenty-fourth longitudinal reinforcement through the fourth additional stirrup, the third longitudinal reinforcement is connected with the twenty-third longitudinal reinforcement through the fifth additional stirrup, the first additional stirrup and the third additional stirrup are intersected at one position, the fifth longitudinal reinforcement is connected with the ninth longitudinal reinforcement through the sixth additional stirrup, the fifth longitudinal reinforcement and the tenth longitudinal reinforcement, The second additional stirrup and the third additional stirrup intersect at one position, the eleventh longitudinal bar is connected with the fifteenth longitudinal bar through the seventh additional stirrup, the second additional stirrup and the fourth additional stirrup intersect at one position, the seventeenth longitudinal bar is connected with the twenty longitudinal bar through the eighth additional stirrup, and the eighth additional stirrup, the first additional stirrup and the fourth additional stirrup intersect at one position.
The frame column comprises a support section positioned at the lower part and a connecting section positioned at the upper part, the cross-sectional area of the connecting section is smaller than that of the support section, the lower end of the steel column penetrates through the connecting section and extends into the support section, part of the stirrup sets are positioned in the support section, the rest of the stirrup sets are positioned in the connecting section, in the stirrup sets positioned in the support section, the distance between the first additional stirrup and the second additional stirrup is not smaller than the total length of the steel column and the bolt along the left-right direction, and the distance between the third additional stirrup and the fourth additional stirrup is not smaller than the total length of the steel column and the bolt along the front-back direction; in the stirrup group located in the connecting section, the distance between the first additional stirrup and the second additional stirrup is smaller than the total length of the steel column and the stud along the left-right direction, the distance between the first additional stirrup and the second additional stirrup is larger than the width of the steel column along the left-right direction, the distance between the third additional stirrup and the fourth additional stirrup is smaller than the total length of the steel column and the stud along the front-back direction, and the distance between the third additional stirrup and the fourth additional stirrup is larger than the width of the steel column along the front-back direction.
The height of the connecting section is recorded as H3，H3Satisfies the following conditions: h is not less than 6m3≤7m。
Compared with the prior art, the connecting node structure has the advantages that the lower end of the steel column is inserted into the frame column to form the transition section, the second concrete is poured into the steel column of the transition section, the vertical rigidity of the transition section is close to that of the reinforced concrete column, the vertical rigidity is good, compared with a conventional hinged mode, the connecting node structure is beneficial to stable transition of the vertical rigidity of the whole building structure and meets the earthquake resistant requirement.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view taken along line 1-1 of FIG. 1;
FIG. 3 is a schematic cross-sectional view taken at 2-2 in FIG. 1;
FIG. 4 is a schematic cross-sectional view taken at 3-3 of FIG. 1;
fig. 5 is a schematic cross-sectional view taken at 4-4 in fig. 1.
In the figure: 1. a reinforced concrete column; 11. a frame column; 111. a support section; 112. a connecting section; 2. a steel column; 21. a second concrete; 3. a stud; 41. longitudinal ribs; 42. a column stirrup; 43. a reinforcement assembly; 431. and (5) attaching a stirrup.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
The first embodiment is as follows: as shown in figures 1-5, a reinforced concrete column and steel column connection node structure, including reinforced concrete column 1 and steel column 2 that from the bottom up distributes, reinforced concrete column 1 includes frame post 11 and fills the first concrete (not shown in the figure) in frame post 11, and the fixed a plurality of pegs 3 that are provided with on the surface of steel column 2, and the lower extreme of steel column 2 inserts frame postIn 11, the first concrete is filled between the outer side of the steel column 2 and the inner wall of the frame column 11, the second concrete 21 is filled in the steel column 2, and the distance between the lower end face of the steel column 2 and the upper end face of the frame column 11 is recorded as H1，H1Satisfies the following conditions: h is more than or equal to 12m1Less than or equal to 13m, and the height of the second concrete 21 is recorded as H2，H2Satisfies the following conditions: h1/2≤H2≤H1。
In this embodiment, be provided with the steel reinforcement cage of constituteing by many vertical bars 41 and many column hoop 42 in the frame post 11, the steel reinforcement cage is located between frame post 11 and steel column 2, and the lateral wall of steel reinforcement cage contacts with the inside wall of frame post 11.
In this embodiment, the longitudinal ribs 41 are circumferentially distributed in the space between the frame column 11 and the steel column 2, and a plurality of reinforcing members 43 for improving the structural strength are provided on the longitudinal ribs 41.
When the connection node structure of the reinforced concrete column 1 and the steel column 2 is applied to the structure of a gasification frame, a reinforced concrete frame-support structure is adopted below a gasification furnace support layer, a steel frame-steel support structure is adopted above the gasification furnace support layer, and the connection node structure is generally H1Equal to the total height of two floors below the supporting layer of the gasification furnace.
Example two: the rest of the structure is the same as that of the first embodiment, except that the reinforcement assembly 43 includes a plurality of hoop groups distributed from bottom to top, the distance between adjacent hoop groups is 100mm, the distance between the hoop group located at the lowermost layer and the lower end surface of the steel column 2 is not more than 100mm, the distance between the hoop group located at the uppermost layer and the upper end surface of the frame column 11 is not more than 100mm, and in the drawings of the specification, only a part of the hoop groups are shown for clearly showing the connection node structure of the present invention.
In this embodiment, the frame column 11 is a square tube, four inner sides of the square tube are defined as a front inner surface, a rear inner surface, a left inner surface and a right inner surface, twenty-four longitudinal ribs 41 are provided, twenty-four longitudinal ribs 41 are sequentially distributed, a first longitudinal rib 41(01), a seventh longitudinal rib 41(07), a thirteenth longitudinal rib 41(13), and nineteenth longitudinal ribs 41(19) are located at four inner corners of the square tube, a second longitudinal rib 41(02), a third longitudinal rib 41(03), a fourth longitudinal rib 41(04), a fifth longitudinal rib 41(05), and a sixth longitudinal rib 41(06) are located at a rear inner surface, an eighth longitudinal rib 41(08), a ninth longitudinal rib 41(09), a tenth longitudinal rib 41(10), an eleventh longitudinal rib 41(11), and a twelfth longitudinal rib 41(12) are located at a right side, and a tenth longitudinal rib 41(14) is located at a right inner surface, The fifteenth longitudinal rib 41(15), the sixteenth longitudinal rib 41(16), the seventeenth longitudinal rib 41(17), and the eighteenth longitudinal rib 41(18) are located at the front inner surface, and the twenty-fourth longitudinal rib 41(20), the twenty-first longitudinal rib 41(21), the twenty-second longitudinal rib 41(22), the twenty-third longitudinal rib 41(23), and the twenty-fourth longitudinal rib 41(24) are located at the left inner surface.
In the present embodiment, the stirrup group includes eight additional stirrups 431, the second longitudinal bar 41(02) is connected with the eighteenth longitudinal bar 41(18) through the first additional stirrup 431(01), the sixth longitudinal bar 41(06) is connected with the fourteenth longitudinal bar 41(14) through the second additional stirrup 431(02), the eighth longitudinal bar 41(08) is connected with the twenty-fourth longitudinal bar 41(24) through the third additional stirrup 431(03), the twelfth longitudinal bar 41(12) is connected with the twenty-fourth longitudinal bar 41(20) through the fourth additional stirrup 431(04), the third longitudinal bar 41(03) is connected with the twenty-third longitudinal bar 41(23) through the fifth additional stirrup 431(05), the first additional stirrup 431(01) and the third additional stirrup 431(03) intersect at one position, and the fifth longitudinal bar 41(05) is connected with the sixth longitudinal bar 431 (09), the sixth additional stirrup 431(06), the second additional stirrup 431(02) and the third additional stirrup 431(03) intersect at one point, the eleventh longitudinal bar 41(11) is connected with the fifteenth longitudinal bar 41(15) through the seventh additional stirrup 431(07), the second additional stirrup 431(02) and the fourth additional stirrup 431(04) intersect at one point, the seventeenth longitudinal bar 41(17) is connected with the twentieth longitudinal bar 41(21) through the eighth additional stirrup 431(08), and the eighth additional stirrup 431(08), the first additional stirrup 431(01) and the fourth additional stirrup 431(04) intersect at one point.
Example three: the rest of the embodiments are the same as those of the first embodiment, except that the frame column 11 includes a support section 111 at the lower part and a connection section 112 at the upper part, the cross-sectional area of the connection section 112 is smaller than that of the support section 111, the lower end of the steel column 2 passes through the connection section 112 and extends into the support section 111, part of the stirrup sets are located in the support section 111, the rest of the stirrup sets are located in the connection section 112, and in the stirrup sets located in the support section 111, the distance between the first additional stirrup 431(01) and the second additional stirrup 431(02) is not smaller than the total length of the steel column 2 and the pin 3 in the left-right direction, and the distance between the third additional stirrup 431(03) and the fourth additional stirrup 431(04) is not smaller than the total length of the steel column 2 and the pin 3 in the front-rear direction;
in the stirrup group located in the connecting section 112, the distance between the first additional stirrup 431(01) and the second additional stirrup 431(02) is smaller than the total length of the steel column 2 and the bolt 3 in the left-right direction, the distance between the first additional stirrup 431(01) and the second additional stirrup 431(02) is larger than the width of the steel column 2 in the left-right direction, the distance between the third additional stirrup 431(03) and the fourth additional stirrup 431(04) is smaller than the total length of the steel column 2 and the bolt 3 in the front-back direction, and the distance between the third additional stirrup 431(03) and the fourth additional stirrup 431(04) is larger than the width of the steel column 2 in the front-back direction.
In this embodiment, the height of the connecting segment 112 is denoted as H3，H3Satisfies the following conditions: h is not less than 6m37m or less, the height of the connecting section 112 is generally the height of the floor below the gasifier support layer.
After adopting the connecting node structure, the vertical rigidity EI of the connecting section 1122Vertical stiffness EI of the support section 1111Vertical rigidity EI of 2 sections of steel column3The relationship of (a) can satisfy: EI (El)2/(EI1+EI3) And the safety performance of the structure can be ensured when an earthquake occurs, wherein the safety performance of the structure is 0.4-0.6.
Claims (7)
1. The utility model provides a reinforced concrete column and steel column connected node structure, includes reinforced concrete column and steel column that from the bottom up distributes, reinforced concrete column include the frame post and fill the first concrete in the frame post, the surface of steel column on the fixed a plurality of pegs that are provided with, its characterized in that the lower extreme of steel column insert the lower extreme of steel column theIn the frame column, the first concrete is filled between the outer side of the steel column and the inner wall of the frame column, the second concrete is filled in the steel column, and the distance between the lower end surface of the steel column and the upper end surface of the frame column is recorded as H1，H1Satisfies the following conditions: h is more than or equal to 12m1Less than or equal to 13m, and recording the height of the second concrete as H2，H2Satisfies the following conditions: h1/2≤H2≤H1。
2. The joint structure of a reinforced concrete column and a steel column according to claim 1, wherein a reinforcement cage consisting of a plurality of longitudinal ribs and a plurality of column hoops is disposed in the frame column, the reinforcement cage is disposed between the frame column and the steel column, and an outer sidewall of the reinforcement cage contacts with an inner sidewall of the frame column.
3. A reinforced concrete column and steel column joint structure according to claim 2, wherein said longitudinal ribs are circumferentially distributed in the space between said frame column and said steel column, and said longitudinal ribs are provided with a plurality of reinforcement members for improving structural strength.
4. A reinforced concrete column and steel column connection node structure according to claim 3, characterized in that said reinforcement assembly includes multiple layers of stirrup sets distributed from bottom to top, the distance between adjacent stirrup sets is 100mm, the distance between the stirrup set at the lowermost layer and the lower end surface of the steel column is not more than 100mm, and the distance between the stirrup set at the uppermost layer and the upper end surface of the frame column is not more than 100 mm.
5. The structure of a joint between a reinforced concrete column and a steel column according to claim 4, wherein said frame column is a square tube, four inner sides of said square tube are defined as a front inner side, a rear inner side, a left inner side and a right inner side, said longitudinal ribs are arranged in twenty-four, and twenty-four longitudinal ribs are sequentially arranged in sequence, and a first longitudinal rib, a seventh longitudinal rib, a thirteenth longitudinal rib, and a nineteenth longitudinal rib are located at four inner corners of said square tube, a second longitudinal rib, a third longitudinal rib, a fourth longitudinal rib, a fifth longitudinal rib, and a sixth longitudinal rib are located at said rear inner side, an eighth longitudinal rib, a ninth longitudinal rib, a tenth longitudinal rib, an eleventh longitudinal rib, and a twelfth longitudinal rib are located at said right inner side, the twenty-fourth, twenty-first, twenty-second, twenty-third and twenty-fourth longitudinal beads are located on the inner surface of the left side;
the stirrup group comprises eight additional stirrups, the second longitudinal reinforcement is connected with the eighteenth longitudinal reinforcement through the first additional stirrup, the sixth longitudinal reinforcement is connected with the fourteenth longitudinal reinforcement through the second additional stirrup, the eighth longitudinal reinforcement is connected with the twenty-fourth longitudinal reinforcement through the third additional stirrup, the twelfth longitudinal reinforcement is connected with the twenty-fourth longitudinal reinforcement through the fourth additional stirrup, the third longitudinal reinforcement is connected with the twenty-third longitudinal reinforcement through the fifth additional stirrup, the first additional stirrup and the third additional stirrup are intersected at one position, the fifth longitudinal reinforcement is connected with the ninth longitudinal reinforcement through the sixth additional stirrup, the fifth longitudinal reinforcement and the tenth longitudinal reinforcement, The second additional stirrup and the third additional stirrup intersect at one position, the eleventh longitudinal bar is connected with the fifteenth longitudinal bar through the seventh additional stirrup, the second additional stirrup and the fourth additional stirrup intersect at one position, the seventeenth longitudinal bar is connected with the twenty longitudinal bar through the eighth additional stirrup, and the eighth additional stirrup, the first additional stirrup and the fourth additional stirrup intersect at one position.
6. A reinforced concrete column and steel column connecting node structure according to claim 5, it is characterized in that the frame column comprises a support section positioned at the lower part and a connecting section positioned at the upper part, the cross section area of the connecting section is smaller than that of the supporting section, the lower end of the steel column penetrates through the connecting section and extends into the supporting section, part of the stirrup sets are located in the supporting section, the rest of the stirrup sets are positioned in the connecting sections and in the stirrup sets positioned in the supporting sections, the distance between the first additional stirrup and the second additional stirrup is not less than the total length of the steel column and the bolt along the left-right direction, and the distance between the third additional stirrup and the fourth additional stirrup is not less than the total length of the steel column and the bolt along the front-back direction;
in the stirrup group located in the connecting section, the distance between the first additional stirrup and the second additional stirrup is smaller than the total length of the steel column and the stud along the left-right direction, the distance between the first additional stirrup and the second additional stirrup is larger than the width of the steel column along the left-right direction, the distance between the third additional stirrup and the fourth additional stirrup is smaller than the total length of the steel column and the stud along the front-back direction, and the distance between the third additional stirrup and the fourth additional stirrup is larger than the width of the steel column along the front-back direction.
7. A reinforced concrete column and steel column connection node structure as claimed in claim 6, wherein the height of said connection section is denoted as H3，H3Satisfies the following conditions: h is not less than 6m3≤7m。
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| CN202111462327.7A CN114351854A (en) | 2021-12-02 | 2021-12-02 | Reinforced concrete column and steel column connecting node structure |
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| CN202111462327.7A CN114351854A (en) | 2021-12-02 | 2021-12-02 | Reinforced concrete column and steel column connecting node structure |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001214512A (en) * | 2000-02-03 | 2001-08-10 | Tokyu Constr Co Ltd | Construction method and structure for reinforcing column-to-beam connection of structure |
| CN103669598A (en) * | 2013-12-30 | 2014-03-26 | 合肥工业大学 | Layer added steel framework column base node on top of multi-layer concrete framework structure and construction method thereof |
| CN203531243U (en) * | 2013-11-11 | 2014-04-09 | 内蒙古蒙西工程设计有限公司 | Precast frame column |
| CN105672491A (en) * | 2016-01-20 | 2016-06-15 | 重庆大学 | Circular steel tube constraining reinforced concrete-steel beam framework node for nodal-region composite steel tube |
| CN206174294U (en) * | 2016-11-02 | 2017-05-17 | 云南经济管理学院 | Rectangular frame post additional bar aseismic reinforcement cage |
| CN109898669A (en) * | 2019-03-12 | 2019-06-18 | 中建三局第一建设工程有限责任公司 | A kind of contrary sequence method underground first floor beam-column node construction method |
| CN209457159U (en) * | 2018-12-27 | 2019-10-01 | 中国建筑标准设计研究院有限公司 | A kind of connection structure of underthrust steel column and beams of concrete |
-
2021
- 2021-12-02 CN CN202111462327.7A patent/CN114351854A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001214512A (en) * | 2000-02-03 | 2001-08-10 | Tokyu Constr Co Ltd | Construction method and structure for reinforcing column-to-beam connection of structure |
| CN203531243U (en) * | 2013-11-11 | 2014-04-09 | 内蒙古蒙西工程设计有限公司 | Precast frame column |
| CN103669598A (en) * | 2013-12-30 | 2014-03-26 | 合肥工业大学 | Layer added steel framework column base node on top of multi-layer concrete framework structure and construction method thereof |
| CN105672491A (en) * | 2016-01-20 | 2016-06-15 | 重庆大学 | Circular steel tube constraining reinforced concrete-steel beam framework node for nodal-region composite steel tube |
| CN206174294U (en) * | 2016-11-02 | 2017-05-17 | 云南经济管理学院 | Rectangular frame post additional bar aseismic reinforcement cage |
| CN209457159U (en) * | 2018-12-27 | 2019-10-01 | 中国建筑标准设计研究院有限公司 | A kind of connection structure of underthrust steel column and beams of concrete |
| CN109898669A (en) * | 2019-03-12 | 2019-06-18 | 中建三局第一建设工程有限责任公司 | A kind of contrary sequence method underground first floor beam-column node construction method |
Non-Patent Citations (1)
| Title |
|---|
| 夏冬桃: "《组合结构设计原理》", 31 July 2009, 武汉大学出版社, pages: 133 - 34 * |
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