CN116988573B - Tensioning construction method for L-shaped hybrid frame cable-stayed structure system - Google Patents
Tensioning construction method for L-shaped hybrid frame cable-stayed structure systemInfo
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- CN116988573B CN116988573B CN202311072515.8A CN202311072515A CN116988573B CN 116988573 B CN116988573 B CN 116988573B CN 202311072515 A CN202311072515 A CN 202311072515A CN 116988573 B CN116988573 B CN 116988573B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/342—Structures covering a large free area, whether open-sided or not, e.g. hangars, halls
-
- 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
- E04B1/35—Extraordinary methods of construction, e.g. lift-slab, jack-block
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/12—Mounting of reinforcing inserts; Prestressing
- E04G21/121—Construction of stressing jacks
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B2001/0053—Buildings characterised by their shape or layout grid
- E04B2001/0076—Buildings with specific right-angled horizontal layout grid
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/12—Mounting of reinforcing inserts; Prestressing
- E04G2021/128—Prestressing each strand of a cable one by one to the same tension
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Rod-Shaped Construction Members (AREA)
Abstract
The invention relates to a tensioning construction method of an L-shaped mixed frame type stay cable structure system, which belongs to the technical field of steel structures and comprises the following operation steps of installing a vertical bearing column I, a vertical bearing column II, a vertical bearing column III, a vertical bearing column IV and a vertical bearing column V in a region I, a region II and a region III. And a horizontal bearing structure and a steel column are arranged among the vertical bearing column I, the vertical bearing column II, the vertical bearing column III, the vertical bearing column IV and the vertical bearing column V, and meanwhile, a short cable I, a long cable II, a short cable III, a long cable III, a short cable IV, a short cable V, a long cable VI, a short cable VI, a long cable VII, a short cable VIII and a long cable VIII are arranged in the middle in a penetrating manner. And (3) adjusting the tension of the inhaul cable to gradually finish pouring the floor slab concrete in the area I, the area II and the area III. Solves the problems of large cable tension force and complex tensioning procedure. The tensioning construction efficiency of the inhaul cable is improved, and the construction period is effectively shortened.
Description
Technical Field
The invention relates to the technical field of steel structures, in particular to a tensioning construction method of an L-shaped mixed frame type stay cable structure system.
Background
The upper structure of the L-shaped large public building adopts a reinforced concrete shear wall core tube as a vertical bearing structure and adopts a mixed structure of a cable, a steel truss and a steel frame as a horizontal bearing structure. Because of the stress characteristics of the cable, the stay cable can only be pulled and not pressed, so that the stay cable is widely applied to large-span space structures and bridge structures and is less applied to high-rise building structures.
The hybrid frame-stayed cable structural system is similar in appearance to a cable-stayed bridge. A cable-stayed bridge is a bridge in which a main girder is pulled on a bridge tower by a plurality of pull ropes. The mixed frame-stay cable structure system is characterized in that a multi-layer frame structure is pulled on a concrete core tube by using stay cables, and the mixed frame-stay cable structure system can be applied to building projects such as exhibitions, stadiums, office buildings and the like.
The mixed frame-stay cable structure system has the conditions of large cable tension and complex tensioning procedure, and the structure system is extremely easy to influence the construction precision due to the technical problems, so that the cable body is loosened, and the structure is used safely and has adverse effects.
Disclosure of Invention
The invention mainly solves the defects of large cable tension force and complex tensioning procedure in the prior art, and provides the tensioning construction method of the L-shaped mixed frame type stay cable structure system, which has the characteristics of high construction precision, good structural stability and strong safety and reliability. Solves the problems of large cable tension force and complex tensioning procedure. The tensioning construction efficiency of the inhaul cable is improved, and the construction period is effectively shortened.
The technical problems of the invention are mainly solved by the following technical proposal:
The utility model provides a stretch-draw construction method of L type mixed frame formula suspension cable structure system, L type mixed frame formula suspension cable structure includes the L type mixed frame of compriseing region I, region II and region III, region I and region III lateral margin be equipped with facade I, region II and region III lateral margin be equipped with facade II, facade I include vertical spandrel post I, vertical spandrel post II and vertical spandrel post III, facade II include vertical spandrel post III, vertical spandrel post IV and vertical spandrel post V.
The vertical bearing column I and the vertical bearing column II, the vertical bearing column II and the vertical bearing column III, the vertical bearing column III and the vertical bearing column IV, and the middle part to the upper part between the vertical bearing column IV and the vertical bearing column V are all provided with horizontal bearing structures, and a plurality of steel columns are all arranged between the upper and lower adjacent horizontal bearing structures.
The vertical bearing column II both sides and horizontal bearing structure between be equipped with long cable II, short cable III and long cable III respectively, vertical bearing column I and long cable II between be equipped with short cable I and long cable I, vertical bearing column III and long cable III between be equipped with short cable IV.
The vertical bearing column IV is characterized in that long guy cables VI, short guy cables VI, long guy cables VII and long guy cables VII are respectively arranged between two sides of the vertical bearing column IV and the horizontal bearing structure, short guy cables V and long guy cables V are arranged between the vertical bearing column III and the long guy cables VI, and short guy cables VIII and long guy cables VIII are arranged between the vertical bearing column V and the long guy cables VII.
The tensioning construction method of the stay cable structure system comprises the following operation steps:
And the first step is to install a vertical bearing column I, a vertical bearing column II, a vertical bearing column III, a vertical bearing column IV and a vertical bearing column V in the area I, the area II and the area III.
And a horizontal bearing structure and a steel column are arranged among the vertical bearing column I, the vertical bearing column II, the vertical bearing column III, the vertical bearing column IV and the vertical bearing column V, and meanwhile, a short cable I, a long cable II, a short cable III, a long cable III, a short cable IV, a short cable V, a long cable VI, a short cable VI, a long cable VII, a short cable VIII and a long cable VIII are arranged in the middle in a penetrating manner.
And thirdly, carrying out primary tensioning on the first group of cables, namely the short cable I, the short cable II, the short cable III and the short cable IV, wherein the tensioning force is 70% of the target cable force, and tensioning the cables in 3 small stages, wherein the middle interval between every two small stages is 20min.
And fourthly, tensioning the second group of long cables I, II and III at a first level, wherein the tensioning force is 70% of the target cable force, and tensioning the second group of cables at 6-level intervals of 20min.
And fifthly, carrying out secondary tensioning on the first group of cables, namely the short cable I, the short cable II, the short cable III and the short cable IV, wherein the tensioning force is 100% of the target cable force, and tensioning the cables in 2 small stages, wherein the middle interval between each two small stages is 20min.
And step six, carrying out secondary tensioning on the second group of long cables I, II and III, wherein the tensioning force is 100% of the target cable force, and tensioning the second group of cables in 2-stage manner, and the middle interval between every two stages is 20min.
And seventh, pouring floor slab concrete in the area I.
And eighth step, carrying out primary tensioning on the third group of cables, namely the short cable V, the short cable VI, the short cable VII and the short cable VIII, wherein the tensioning force is 70% of the target cable force, and tensioning the cables in 3 small stages, wherein the middle interval between each two stages is 20min.
And ninth, carrying out primary tensioning on the fourth group of long cables V, VI, VII and VIII, wherein the tensioning force is 70% of the target cable force, and tensioning the cables in 9 small stages, and the middle interval between each two stages is 20min.
And tenth, carrying out secondary tensioning on the third group of cables, namely the short cable V, the short cable VI, the short cable VII and the short cable VIII, wherein the tensioning force is 100% of the target cable force, and tensioning the cables in 2 small stages, and the middle interval between each two stages is 20min.
And eleventh step, carrying out secondary tensioning on the fourth group of long cables V, VI, VII and VIII, wherein the tensioning force is 100% of the target cable force, and tensioning the cables in 2 small stages, and the middle interval between each two stages is 20min.
And twelfth step, pouring floor slab concrete in the area II and the area III.
Preferably, before building slab concrete in a pouring area I, the second group of long cables I, the long cables II and the long cables III are subjected to three-stage tensioning, the super-tensioning force is 103%, and then the first group of short cables I, the short cables II, the short cables III and the short cables IV are subjected to three-stage tensioning, and the super-tensioning force is 103%.
Preferably, before the floor slab concrete in the areas II and III is poured, the fourth group of cables V, VI, VII and VIII are subjected to three-stage tensioning, the tensioning force is 103%, and then the third group of cables V, VI, VII and VIII are subjected to three-stage tensioning, and the tensioning force is 103%.
Preferably, the horizontal bearing structure is a steel beam, a steel truss, a concrete floor slab or a steel bar truss floor support plate.
Preferably, the vertical bearing column I, the vertical bearing column II, the vertical bearing column III, the vertical bearing column IV and the vertical bearing column V are core tubes, rear plate walls, frame columns or shear walls.
The invention can achieve the following effects:
Compared with the prior art, the tensioning construction method for the L-shaped mixed frame type stay cable structure system has the characteristics of high construction precision, good structural stability and strong safety and reliability. Solves the problems of large cable tension force and complex tensioning procedure. The tensioning construction efficiency of the inhaul cable is improved, and the construction period is effectively shortened.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view of an elevation I of the present invention.
Fig. 3 is a schematic structural view of the elevation II of the present invention.
In the figure, a vertical bearing column I1, a vertical bearing column II2, a vertical bearing column III3, a vertical bearing column IV4, a vertical bearing column V5, a horizontal bearing structure 6, a steel column 7, a short cable I8, a long cable I9, a long cable II10, a short cable II11, a short cable III12, a long cable III13, a short cable IV14, a short cable V15, a long cable V16, a long cable VI17, a short cable VI18, a long cable VII19, a short cable VII20, a short cable VIII21 and a long cable VIII22 are shown.
Detailed Description
The technical scheme of the invention is further specifically described below through examples and with reference to the accompanying drawings.
In the embodiment, as shown in fig. 1, 2 and 3, an L-shaped mixed frame type stay cable structure system tensioning construction method is provided, wherein an L-shaped mixed frame formed by a region I, a region II and a region III is included in the L-shaped mixed frame type stay cable structure, vertical faces I are arranged on the outer side edges of the region I and the region III, vertical faces II are arranged on the outer side edges of the region II and the region III, the vertical faces I comprise vertical bearing columns I1, vertical bearing columns II2 and vertical bearing columns III3, and the vertical faces II comprise vertical bearing columns III3, vertical bearing columns IV4 and vertical bearing columns V5. The vertical bearing column I1, the vertical bearing column II2, the vertical bearing column III3, the vertical bearing column IV4 and the vertical bearing column V5 are core tubes, rear plate walls, frame columns or shear walls.
Horizontal bearing structures 6 are arranged between the vertical bearing column I1 and the vertical bearing column II2, between the vertical bearing column II2 and the vertical bearing column III3, between the vertical bearing column III3 and the vertical bearing column IV4 and between the vertical bearing column IV4 and the vertical bearing column V5 from the middle to the upper, and the horizontal bearing structures 6 are steel beams, steel trusses, concrete floors or steel truss floor bearing plates. 3-4 steel columns 7 are arranged between the upper and lower adjacent horizontal bearing structures 6.
A long cable II10, a short cable II11, a short cable III12 and a long cable III13 are respectively arranged between two sides of the vertical bearing column II2 and the horizontal bearing structure 6, a short cable I8 and a long cable I9 are arranged between the vertical bearing column I1 and the long cable II10, and a short cable IV14 is arranged between the vertical bearing column III3 and the long cable III 13.
Long guy wires VI17, VI18, VII19 and VII20 are respectively arranged between the two sides of the vertical bearing column IV4 and the horizontal bearing structure 6, short guy wires V15 and V16 are arranged between the vertical bearing column III3 and VI17, and short guy wires VIII21 and VIII22 are arranged between the vertical bearing column V5 and VII 19.
The tensioning construction method of the stay cable structure system comprises the following operation steps:
And in the first step, installing a vertical bearing column I1, a vertical bearing column II2, a vertical bearing column III3, a vertical bearing column IV4 and a vertical bearing column V5 in the area I, the area II and the area III.
And secondly, installing a horizontal bearing structure 6 and a steel column 7 among the vertical bearing column I1, the vertical bearing column II2, the vertical bearing column III3, the vertical bearing column IV4 and the vertical bearing column V5, and simultaneously inserting and installing a short cable I8, a long cable I9, a long cable II10, a short cable II11, a short cable III12, a long cable III13, a short cable IV14, a short cable V15, a long cable V16, a long cable VI17, a short cable VI18, a long cable VII19, a short cable VII20, a short cable VIII21 and a long cable VIII22.
Thirdly, carrying out primary tensioning on the first group of cables, namely a short cable I8, a short cable II11, a short cable III12 and a short cable IV14, wherein the tensioning force is 70% of the target cable force, and tensioning the first group of cables in3 small stages, wherein the middle interval between every two small stages is 20min;
and fourthly, carrying out primary tensioning on the second group of long cables I9, II10 and III13, wherein the tensioning force is 70% of the target cable force, and tensioning the second group of cables in 6 small stages, wherein the middle interval between each two stages is 20min.
And fifthly, carrying out secondary tensioning on the first group of cables, namely the short cable I8, the short cable II11, the short cable III12 and the short cable IV14, wherein the tensioning force is 100% of the target cable force, and tensioning the cables in 2 stages, wherein the middle interval between every two stages is 20min.
And step six, carrying out secondary tensioning on the second group of long cables I9, II10 and III13, wherein the tensioning force is 100% of the target cable force, and tensioning the cables in 2 small stages, wherein the middle interval between each two stages is 20min.
And seventh, carrying out three-stage tensioning on the second group of long cables I9, the long cables II10 and the long cables III13, wherein the super-tensioning force is 103%, then carrying out three-stage tensioning on the first group of short cables I8, the short cables II11, the short cables III12 and the short cables IV14, wherein the super-tensioning force is 103%, and casting floor slab concrete in the area I.
And eighth step, carrying out primary tensioning on the third group of cables, namely the short cable V15, the short cable VI18, the short cable VII20 and the short cable VIII21, wherein the tensioning force is 70% of the target cable force, and tensioning the cables in 3 small stages, wherein the middle interval between each two stages is 20min.
And ninth, carrying out primary tensioning on the fourth group of long cables V16, VI17, VII19 and VIII22, wherein the tensioning force is 70% of the target cable force, and tensioning the cables in 9 small stages, wherein the middle interval between each stage is 20min.
And tenth step, carrying out secondary tensioning on the third group of cables, namely the short cable V15, the short cable VI18, the short cable VII20 and the short cable VIII21, wherein the tensioning force is 100% of the target cable force, and tensioning the cables in 2 small stages, and the middle interval between each two stages is 20min.
And eleventh step, performing secondary tensioning on the fourth group of long cables V16, VI17, VII19 and VIII22, wherein the tensioning force is 100% of the target cable force, and tensioning the fourth group of cables in 2-stage mode, and the middle interval between each two stages is 20min.
And a twelfth step of tertiary tensioning of the fourth group of long cables V16, VI17, VII19 and VIII22, 103% of tensioning force, and then the third group of short cables V15, VI18, VII20 and VIII21, 103% of tensioning force, and pouring the floor slab concrete in the areas II and III.
In conclusion, the tensioning construction method of the L-shaped mixed frame type stay cable structure system has the characteristics of high construction precision, good structural stability and high safety and reliability. Solves the problems of large cable tension force and complex tensioning procedure. The tensioning construction efficiency of the inhaul cable is improved, and the construction period is effectively shortened.
The above embodiments are merely examples of the present invention, but the present invention is not limited thereto, and any changes or modifications made by those skilled in the art are included in the scope of the present invention.
Claims (5)
1. The tensioning construction method of the L-shaped mixed frame type stay cable structure system is characterized in that the L-shaped mixed frame type stay cable structure comprises an L-shaped mixed frame formed by an area I, an area II and an area III, vertical faces I are arranged on the outer side edges of the area I and the area III, vertical faces II are arranged on the outer side edges of the area II and the area III, the vertical faces I comprise vertical bearing columns I (1), vertical bearing columns II (2) and vertical bearing columns III (3), and the vertical faces II comprise vertical bearing columns III (3), vertical bearing columns IV (4) and vertical bearing columns V (5);
The vertical bearing columns I (1) and II (2), II (2) and III (3), III (3) and IV (4) and V (5) are respectively provided with a horizontal bearing structure (6), and a plurality of steel columns (7) are respectively arranged between the upper and lower adjacent horizontal bearing structures (6);
A long inhaul cable II (10), a short inhaul cable II (11), a short inhaul cable III (12) and a long inhaul cable III (13) are respectively arranged between the two sides of the vertical bearing column II (2) and the horizontal bearing structure (6), a short inhaul cable I (8) and a long inhaul cable I (9) are arranged between the vertical bearing column I (1) and the long inhaul cable II (10), and a short inhaul cable IV (14) is arranged between the vertical bearing column III (3) and the long inhaul cable III (13);
Long guy wires VI (17), short guy wires VI (18), long guy wires VII (19) and short guy wires VII (20) are respectively arranged between the two sides of the vertical bearing column IV (4) and the horizontal bearing structure (6), short guy wires V (15) and long guy wires V (16) are arranged between the vertical bearing column III (3) and the long guy wires VI (17), and short guy wires VIII (21) and long guy wires VIII (22) are arranged between the vertical bearing column V (5) and the long guy wires VII (19);
the tensioning construction method of the stay cable structure system comprises the following operation steps:
The first step, installing a vertical bearing column I (1), a vertical bearing column II (2), a vertical bearing column III (3), a vertical bearing column IV (4) and a vertical bearing column V (5) in the area I, the area II and the area III;
The second step, a horizontal bearing structure (6) and a steel column (7) are arranged among a vertical bearing column I (1), a vertical bearing column II (2), a vertical bearing column III (3), a vertical bearing column IV (4) and a vertical bearing column V (5), and meanwhile, a short cable I (8), a long cable I (9), a long cable II (10), a short cable II (11), a short cable III (12), a long cable III (13), a short cable IV (14), a short cable V (15), a long cable V (16), a long cable VI (17), a short cable VI (18), a long cable VII (19), a short cable VII (20), a short cable VIII (21) and a long cable VIII (22) are arranged in the middle in a penetrating manner;
Thirdly, carrying out primary tensioning on a first group of cables, namely a short cable I (8), a short cable II (11), a short cable III (12) and a short cable IV (14), wherein the tensioning force is 70% of the target cable force, and tensioning the cables in 3 stages, wherein the middle interval between each two stages is 20min;
Fourthly, tensioning the second group of long cables I (9), the long cables II (10) and the long cables III (13) at a first level, wherein the tensioning force is 70% of the target cable force, and tensioning the cables at 6 small levels, wherein the middle interval between each two levels is 20min;
fifthly, carrying out secondary tensioning on the first group of cables, namely a short cable I (8), a short cable II (11), a short cable III (12) and a short cable IV (14), wherein the tensioning force is 100% of the target cable force, and tensioning the cables in 2 stages, wherein the middle interval between each two stages is 20min;
Step six, carrying out secondary tensioning on the second group of long cables I (9), the long cables II (10) and the long cables III (13), wherein the tensioning force is 100% of the target cable force, and tensioning the cables in 2 small stages, wherein the middle interval between every two small stages is 20min;
seventh, pouring floor slab concrete in the area I;
Eighth step, the third group of cable is short cable V (15), short cable VI (18), short cable VII (20) and short cable VIII (21), the first-stage stretching is carried out, the stretching force is 70% of the target cable force, 3-stage stretching is carried out, and the middle interval between each two stages is 20min;
Step nine, tensioning the fourth group of long cables V (16), VI (17), VII (19) and VIII (22) at a first level, wherein the tensioning force is 70% of the target cable force, and tensioning the fourth group of cables at 9 small levels, and the middle interval between each two levels is 20min;
Tenth, carrying out secondary tensioning on a third group of cables, namely a short cable V (15), a short cable VI (18), a short cable VII (20) and a short cable VIII (21), wherein the tensioning force is 100% of the target cable force, and tensioning the cables in 2 small stages, wherein the middle interval between each two stages is 20min;
Eleventh step, the fourth group of long guy cables V (16), VI (17), VII (19) and VIII (22) are subjected to secondary tensioning, the tensioning force is 100% of the target cable force, the tensioning is divided into 2 small stages, and the middle interval between each two stages is 20min;
and twelfth step, pouring floor slab concrete in the area II and the area III.
2. The tensioning construction method of the L-shaped mixed frame type stay cable structure system according to claim 1, wherein before floor concrete is poured in a region I, the second group of cables, namely a long cable I (9), a long cable II (10) and a long cable III (13), are subjected to three-stage tensioning, the super-tensioning force is 103%, and then the first group of cables, namely a short cable I (8), a short cable II (11), a short cable III (12) and a short cable IV (14), are subjected to three-stage tensioning, and the super-tensioning force is 103%.
3. The tensioning construction method of the L-shaped mixed frame type stay cable structure system according to claim 1, wherein before floor slab concrete in a casting area II and a casting area III is cast, a fourth group of cable long cables V (16), long cables VI (17), long cables VII (19) and long cables VIII (22) are subjected to three-stage tensioning, the tensioning force is 103%, and then a third group of cable short cables V (15), short cables VI (18), short cables VII (20) and short cables VIII (21) are subjected to three-stage tensioning, and the tensioning force is 103%.
4. The tensioning construction method of the L-shaped mixed frame type stay cable structure system is characterized in that the horizontal bearing structure (6) is a steel beam, a steel truss, a concrete floor or a steel bar truss floor support plate.
5. The tensioning construction method of the L-shaped mixed frame type stay cable structure system is characterized in that a vertical bearing column I (1), a vertical bearing column II (2), a vertical bearing column III (3), a vertical bearing column IV (4) and a vertical bearing column V (5) are core cylinders, rear plate walls, frame columns or shear walls.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114607153A (en) * | 2022-03-07 | 2022-06-10 | 中建八局第三建设有限公司 | Hoisting construction process for hanging multi-layer steel frame by large-span stay cable |
| CN116084744A (en) * | 2023-03-09 | 2023-05-09 | 中交一公局集团有限公司 | Construction structure and construction method for staggered jump layer of assembled steel structure house |
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| KR200405465Y1 (en) * | 2005-10-18 | 2006-01-10 | 대한주택공사 | Bulkhead Structure System and Apartment House |
| CN101787732B (en) * | 2010-02-11 | 2011-08-17 | 清华大学 | Cable-stayed multi-layer framework structure and construction control method thereof |
| CN111677327A (en) * | 2017-01-12 | 2020-09-18 | 叶香竹 | Prestressed brace reinforced concrete beam structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114607153A (en) * | 2022-03-07 | 2022-06-10 | 中建八局第三建设有限公司 | Hoisting construction process for hanging multi-layer steel frame by large-span stay cable |
| CN116084744A (en) * | 2023-03-09 | 2023-05-09 | 中交一公局集团有限公司 | Construction structure and construction method for staggered jump layer of assembled steel structure house |
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