CN105003090A - Temporary support frame for mounting assembly type steel structure - Google Patents
Temporary support frame for mounting assembly type steel structure Download PDFInfo
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- CN105003090A CN105003090A CN201510507249.6A CN201510507249A CN105003090A CN 105003090 A CN105003090 A CN 105003090A CN 201510507249 A CN201510507249 A CN 201510507249A CN 105003090 A CN105003090 A CN 105003090A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 135
- 239000010959 steel Substances 0.000 title claims abstract description 135
- 238000009434 installation Methods 0.000 claims description 34
- 239000011159 matrix material Substances 0.000 claims description 15
- 239000003351 stiffener Substances 0.000 claims description 10
- 238000010276 construction Methods 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 6
- 230000006870 function Effects 0.000 description 5
- 238000003466 welding Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009711 regulatory function Effects 0.000 description 2
- 238000003335 Production assurance Methods 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 210000002219 extraembryonic membrane Anatomy 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Conveying And Assembling Of Building Elements In Situ (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
A temporary support frame for mounting an assembled steel structure comprises a lattice support frame body, an operating platform, a guy cable and an elevation fine adjustment device; in an assembly state, a bottom frame body of the lattice type supporting frame body, a middle standard section frame body consisting of n standard frames and a top frame body are connected into the lattice type supporting frame body through bolts, an operating platform is arranged at the top of the lattice type supporting frame body, an elevation fine adjustment device is arranged in the middle of the operating platform, the lower end of a hydraulic jack of the elevation fine adjustment device is fixedly welded with a platform beam of the top frame body of the lattice type supporting frame body, and the upper end of the hydraulic jack of the elevation fine adjustment device props against a movable section steel joist; the joist limiting devices are arranged at two ends of the movable section steel joist and limit the movable section steel joist; the guy cables are symmetrically arranged, one end of each guy cable is fixedly connected with the top frame body of the lattice type supporting frame body, and the other end of each guy cable is fixedly connected with the ground reliable structure or the ground anchor. The temporary support frame for mounting the assembly type steel structure is convenient for elevation adjustment and unloading of the structure, and has applicability, economy and safety; n is more than or equal to 1 and less than or equal to 8.
Description
Technical field
The present invention relates to a kind of installation bracing frame, especially a kind of assembling type steel structure installation temporary support.
Background technology
Along with the development of architectural design technology, huge large span steel truss is applied more and more extensive in public building.By the restriction of construction plant and crane gear, the installation of huge large-span truss adopts the way arranging temporary support segmental hoisting to install usually.The full hall frame (in stress point local cypher) that current domestic a lot of large-scale steel structure temporary support system adopts steel pipe scaffold to set up or at the construction field (site) making integral structural temporary support.The full hall bracing frame of steel pipe and Site Welding integral structural temporary support mainly have the following disadvantages:
support and self do not possess height adjusting function, be unfavorable for that absolute altitude regulates and structure unloading;
versatility and revolving difference, and install and remove and transport inconvenience, cause the waste of a large amount of bracing frame material, cost of transportation is higher;
support system does not consider the construction safety of operating personnel very well.
Notification number is for " CN202530789, denomination of invention be that the utility model patent in " large-span steel high-altitude dispersion lifting support system " discloses a kind of high-altitude dispersion lifting support system comprising main supporting structure, jack, cable wind rope etc. and form, but its use inconvenience, poor stability, poor universality, cost are high.
Summary of the invention
The object of the present invention is to provide a kind of assembling type steel structure installation temporary support, this bracing frame facilitates structural elevation to regulate and unloading, has applicability, economy and safety.
The technical scheme solved the problem is: a kind of assembling type steel structure installation temporary support, and this assembling type steel structure installation temporary support comprises lattice supporting frame, operating platform, cable wind rope and absolute altitude micromatic setting;
Described lattice supporting frame comprises bottom support body, the intermediate standard section support body be made up of n standard frame and roof racks; Be bolted between each support body, n, for being more than or equal to 1, is less than the arbitrary integer between 8;
Described operating platform comprises checkered steel plate platform and railing; Described checkered steel plate platform comprises rectangle decorative pattern plate platform and two pieces of matrix checkered steel plate platforms be enclosed in outside rectangle decorative pattern plate platform; Railing is arranged on the surrounding of matrix checkered steel plate platform;
Described absolute altitude micromatic setting comprises movable shaped steel joist, joist stopping means and hydraulic jack; Described joist stopping means comprises the spacing column and spacing steel plate that are made up of channel-section steel, the movable shaped steel joist be made up of H profile steel is arranged on hydraulic jack top, and spacing Plate Welding is slidably matched in movable shaped steel joist two ends, movable shaped steel joist and spacing column;
Under confined state, the bottom support body of lattice supporting frame, the intermediate standard section support body of a n standard frame composition are bolted into lattice supporting frame with roof racks, operating platform is arranged on lattice supporting frame top, absolute altitude micromatic setting is arranged in the middle part of operating platform, the landing beam of the hydraulic jack lower end of absolute altitude micromatic setting and the roof racks of lattice supporting frame is welded and fixed, and movable shaped steel joist is withstood in upper end; Joist stopping means is arranged on movable shaped steel joist two ends, carries out spacing to movable shaped steel joist;
Cable wind rope is symmetrical arranged, and one end is fixedly connected with the roof racks of lattice supporting frame, and one end is connected with ground reliable structure or earth anchorage.
Its further technical scheme is: form each standard frame of the centre standard paragraphs support body of lattice supporting frame by longitudinal steel pipe post, horizontal angle steel web member and oblique angle steel web member composition frame construction; Described longitudinal steel pipe post, horizontal angle steel web member and oblique angle steel web member are interconnected by junction plate; The upper and lower side of described longitudinal steel pipe post evenly arranges stiffener, and the end face of longitudinal steel pipe post is provided with end plate, and end plate is connected with stiffener, and the end plate between stiffener has screw, and upper and lower intermediate standard section support body is connected by bolt.
Its further technical scheme be: the checkered steel plate of the skeleton that the matrix checkered steel plate platform of described operating platform is made by rectangular steel pipe and its upper laying forms, matrix checkered steel plate platform surrounding is provided with the holder sleeve pipe matched with railing post, and railing post to be enclosed within holder sleeve pipe and to fix with bolt.
Compared with prior art, the present invention's it " assembling type steel structure installation temporary support " has following beneficial effect:
1, assembling type steel structure installation temporary support of the present invention can form different height, applicability, highly versatile as required, and the bracing frame proportion of goods damageds are low:
Assembling type steel structure installation temporary support of the present invention comprises lattice supporting frame I, operating platform II, cable wind rope III and absolute altitude micromatic setting IV; Described lattice supporting frame I comprises bottom support body 1, the intermediate standard section support body 2 be made up of n standard frame and roof racks 3; Be bolted between each support body; Formed the quantity of the standard frame of intermediate standard section support body by increase and decrease, the bracing frame of differing heights can be formed, meet differing heights Steel Structure Installation needs, highly versatile.
2, production assurance, cost of manufacture are low:
Bracing frame of the present invention except bottom support body needs scene determine height except, all the other each several parts can make approved product in workshop, and product quality easily ensures, cost of production is low.
3, mounting or dismounting are convenient, the removable delivery unit being divided into suitable transport, and cost of transportation is cheap:
All with bolts between assembling type steel structure installation temporary support each several part of the present invention, each several part can repeated disassembled and assembled, turnover be used in multiple project, the bracing frame expense of sharing each project significantly reduces; The assembling bracing frame section of being broken into is transported, and saves amount transport cost.
4, the function of bearing load, absolute altitude regulatory function and function of safety protection roll into one by assembling type steel structure installation temporary support of the present invention, and value is high, good reliability:
The top of assembling type steel structure installation temporary support of the present invention is provided with the absolute altitude micromatic setting comprising hydraulic jack, can rise and can fall, possess absolute altitude regulatory function and offloading functions; And absolute altitude micromatic setting relies on the movable shaped steel joist 9 of hydraulic jack 11 pushing tow to carry out height fine adjusting function, large with supported object contact surface, add the booster action that joist stopping means 10 is spacing, compared with only leaning on the prior art of the direct pushing tow supported object of hydraulic jack, safer, reliable;
Secondly, bracing frame top of the present invention is also provided with assembling safe operation platform, can protect the safety of operating personnel better.
Be described further below in conjunction with the technical characteristic of drawings and Examples to the assembling type steel structure installation temporary support of the present invention.
Accompanying drawing explanation
Fig. 1-1: the overall structure schematic diagram (elevational schematic view) of the assembling type steel structure installation temporary support of the present invention;
Fig. 1-2: the lateral view being Fig. 1-1;
Fig. 1-3: the A-A sectional view being Fig. 1-2;
Fig. 1-4: the matrix checkered steel plate platform structure schematic diagram of operating platform of the present invention;
Fig. 2-1: the roof racks structural representation of assembling type steel structure installation temporary support of the present invention;
Fig. 2-2: the lateral view being Fig. 2-1;
Fig. 2-3: the B-B sectional view being Fig. 2-2;
Fig. 3-1: the standard shelf structure schematic diagram of the lattice supporting frame of the present invention;
Fig. 3-2: be standard frame splicing construction schematic diagram;
Fig. 3-3: the C-C sectional view being Fig. 3-2;
Fig. 4-1: the rail structure schematic diagram one of the operating platform of the present invention;
Fig. 4-2: the rail structure schematic diagram two of the operating platform of the present invention;
Fig. 5: be railing scheme of installation;
Fig. 6: the rig bracket structural representation of the operating platform of the present invention;
Fig. 7: be rig bracket scheme of installation.
In figure:
I-lattice supporting frame, II-operating platform, III-cable wind rope, IV-absolute altitude micromatic setting;
Support body bottom 1-, 2-intermediate standard section support body;
The longitudinal steel pipe post of 21-, the horizontal angle steel web member of 22-, the oblique angle steel web member of 23-;
3-roof racks; 301, the landing beam of 3011-roof racks 3,4,41-railing, 401-railing post;
5-holder sleeve pipe, 6-rig bracket; 7-checkered steel plate platform, 71-matrix checkered steel plate platform, the skeleton that 711-rectangular steel pipe makes, 712-checkered steel plate; 72-rectangle decorative pattern plate platform;
8-cable wind rope, the movable shaped steel joist of 9-, 10-joist stopping means, the spacing column of 101-, the spacing steel plate of 102-, 11-jack;
12-junction plate, 13-stiffener, 14-end plate.
Detailed description of the invention
A kind of assembling type steel structure installation temporary support, as shown in Fig. 1-1 ~ Fig. 1-2, this assembling type steel structure installation temporary support comprises lattice supporting frame I, operating platform II, cable wind rope III and absolute altitude micromatic setting IV;
Described lattice supporting frame I comprises bottom support body 1, the intermediate standard section support body 2 be made up of n standard frame and roof racks 3; Be bolted between each support body;
Described operating platform II comprises checkered steel plate platform 7 and railing 4(see Fig. 4-1 ~ Fig. 4-2); Described checkered steel plate platform 7 comprises rectangle decorative pattern plate platform 72 and two pieces of matrix checkered steel plate platforms 71 be enclosed in outside rectangle decorative pattern plate platform 72; The skeleton 711 that described matrix checkered steel plate platform 71 is made by rectangular steel pipe and the checkered steel plate 712 that it is laid form, railing 4 is arranged on the surrounding (see Fig. 1-3 ~ Fig. 1-4) of matrix checkered steel plate platform 71, the present embodiment takes matrix checkered steel plate platform 71 surrounding to be provided with the holder sleeve pipe 5 matched with railing post 401, and railing post is enclosed within holder sleeve pipe 5 li and fixes (see Fig. 5) with bolt; Rig bracket 6 is arranged on roof racks column top (see Fig. 6, Fig. 7) for the tripod that angle steel forms, and matrix checkered steel plate platform 71 is arranged on above rig bracket 6, and rectangle decorative pattern plate platform 72 is arranged on roof racks 3 overcentre;
Described absolute altitude micromatic setting IV comprises movable shaped steel joist 9, joist stopping means 10 and hydraulic jack 11; Described joist stopping means 10 comprises the spacing column 101 and spacing steel plate 102 that are made up of channel-section steel, the movable shaped steel joist 9 be made up of H-type groove steel is arranged on hydraulic jack 11 top, and spacing steel plate 102 is welded in movable shaped steel joist 9 two ends, movable shaped steel joist and spacing column 101 and is slidably matched (see Fig. 2-1 ~ Fig. 2-3);
Under confined state, the bottom support body 1 of lattice supporting frame I, intermediate standard section support body 2 and the roof racks 3 of a n standard frame composition are bolted into the lattice supporting frame of differing heights, operating platform II is arranged on lattice supporting frame top, absolute altitude micromatic setting IV is arranged in the middle part of operating platform, the landing beam 3011 of hydraulic jack 11 lower end of absolute altitude micromatic setting IV and the roof racks 3 of lattice supporting frame is welded and fixed, and movable shaped steel joist 9 is withstood in upper end; Joist stopping means 10 is arranged on movable shaped steel joist 9 two ends, carries out spacing to movable shaped steel joist 9; The span of n is between 1-5;
Cable wind rope III is symmetrical arranged, and one end is fixedly connected with the roof racks 3 of lattice supporting frame I, and one end is connected with ground reliable structure or earth anchorage.
As shown in Fig. 3-1-Fig. 3-3, the standard frame forming intermediate standard section support body 2 forms frame construction by longitudinal steel pipe post 21, horizontal angle steel web member 22 and oblique angle steel web member 23; Described longitudinal steel pipe post, horizontal angle steel web member and oblique angle steel web member are interconnected by junction plate 12; The upper and lower side of described longitudinal steel pipe post evenly arranges stiffener 13, and the end face of longitudinal steel pipe post is provided with end plate 14, and end plate is connected with stiffener, and the end plate between stiffener has screw, and upper and lower intermediate standard section support body 2 is connected by bolt.
Described bottom support body 1 is the same with the standard shelf structure forming intermediate standard section support body 2 with the basic structure of roof racks 3, and difference is: roof racks 3 top is provided with the landing beam 301 be made up of hot-rolling H-shaped girder steel; The height of roof racks 3 is generally made into 3 meters, and the height of bottom support body 1 is determined according to field condition, is generally not more than 3 meters, forms the number of the standard frame of intermediate standard section support body 2
nat least 1, can reach 4 ~ 5, generally, the height overall of lattice supporting frame I generally must not be greater than 18 meters; Connect with bolt between each support body.
One as the embodiment of the present invention converts, and as required, the number n of standard frame also can increase and decrease, and general n, for being more than or equal to 1, is less than the arbitrary integer between 8.
The preparation method of assembling type steel structure installation temporary support of the present invention is as follows:
The each several part of the lattice supporting frame I of assembling type steel structure installation temporary support of the present invention is all arranged in workshop and makes, to ensure product quality;
Making step is as follows:
A, according to design drawing establishment material planning getting the raw materials ready;
B, blanking, the abrasive machine blanking of steel pipe and angle steel, the flame cutting machine blanking of steel plate and H profile steel;
C, part plate are holed, and bore the hole of part plate with two dimension NC auto drilling machine;
D, with fetal membrane, shaping for component spelling and spot welding to be fixed on the operational platform;
E, with carbon dioxide gas arc welding, each tie point to be welded, and butt welded seam is tested, defectively to overhaul;
F, rust cleaning, priming and finish paint on request after rust cleaning;
G, product to be tested, put in storage after the assay was approved.
During use, assembling type steel structure installation temporary support of the present invention is installed at the construction field (site), and its installation steps are as follows:
A, on-the-spot unwrapping wire are determined to install the position of assembling type steel structure installation temporary support of the present invention and are carried out basis and embedded part;
B, near installation assembling type steel structure installation temporary support rack position of the present invention installation on ground lattice supporting frame I (sleeping spell), note tightening connecting bolt;
C, with on-the-spot tower crane (or mobile crane), assembled good lattice supporting frame I is winched to installation site, after temporary fixed to bottom support body 1 and the built-in fitting of supporting frame I, loose hook;
D, lattice supporting frame I install and tensioning cable wind rope III: be symmetrical arranged by 4 cable wind ropes 8, one end is fixedly connected with the roof racks 3 of lattice supporting frame I, and the other end is connected with ground reliable structure or earth anchorage;
E, last fitting operation platform II and absolute altitude micromatic setting IV.
Claims (3)
1. an assembling type steel structure installation temporary support, is characterized in that: this assembling type steel structure installation temporary support comprises lattice supporting frame (I), operating platform (II), cable wind rope (III) and absolute altitude micromatic setting (IV);
Described lattice supporting frame (I) comprises bottom support body (1), the intermediate standard section support body (2) be made up of n standard frame and roof racks (3); Be bolted between each support body, n, for being more than or equal to 1, is less than the arbitrary integer between 8;
Described operating platform (II) comprises checkered steel plate platform (7) and railing (4); Described checkered steel plate platform (7) comprise rectangle decorative pattern plate platform (72) and two pieces be enclosed in rectangle decorative pattern plate platform (72) matrix checkered steel plate platform (71) outward; Railing (4) is arranged on the surrounding of matrix checkered steel plate platform (71);
Described absolute altitude micromatic setting (IV) comprises movable shaped steel joist (9), joist stopping means (10) and hydraulic jack (11); Described joist stopping means (10) comprises the spacing column (101) and spacing steel plate (102) that are made up of channel-section steel, the movable shaped steel joist (9) of being made up of H profile steel is arranged on hydraulic jack (11) top, and spacing steel plate (102) is welded in movable shaped steel joist (9) two ends, movable shaped steel joist (9) is slidably matched with spacing column (101);
Under confined state, the bottom support body (1) of lattice supporting frame (I), the intermediate standard section support body (2) of a n standard frame composition are bolted into lattice supporting frame with roof racks (3), operating platform (II) is arranged on lattice supporting frame top, absolute altitude micromatic setting (IV) is arranged in the middle part of operating platform, the landing beam of hydraulic jack (11) lower end of absolute altitude micromatic setting (IV) and the roof racks (3) of lattice supporting frame is welded and fixed, and movable shaped steel joist (9) is withstood in upper end; Joist stopping means (10) is arranged on movable shaped steel joist (9) two ends, carries out spacing to movable shaped steel joist (9);
Cable wind rope (III) be symmetrical arranged, and one end is fixedly connected with the roof racks (3) of lattice supporting frame (I), and one end is connected with ground reliable structure or earth anchorage
.
2. assembling type steel structure installation temporary support according to claim 1, is characterized in that: form each standard frame of centre standard paragraphs support body (2) of lattice supporting frame (I) by longitudinal steel pipe post (21), horizontal angle steel web member (22) and oblique angle steel web member (23) composition frame construction; Described longitudinal steel pipe post, horizontal angle steel web member and oblique angle steel web member are interconnected by junction plate (12); The upper and lower side of described longitudinal steel pipe post evenly arranges stiffener (13), the end face of longitudinal steel pipe post is provided with end plate (14), end plate is connected with stiffener, and the end plate between stiffener has screw, and upper and lower intermediate standard section support body (2) is connected by bolt.
3. assembling type steel structure installation temporary support according to claim 1, it is characterized in that: the skeleton (711) that the matrix checkered steel plate platform (71) of described operating platform (II) is made by rectangular steel pipe and the checkered steel plate (712) that it is laid form, matrix checkered steel plate platform (71) surrounding is provided with the holder sleeve pipe (5) matched with railing post (401), and it is inner and fix with bolt that railing post is enclosed within holder sleeve pipe (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510507249.6A CN105003090B (en) | 2015-08-18 | 2015-08-18 | Temporary support frame for mounting assembly type steel structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510507249.6A CN105003090B (en) | 2015-08-18 | 2015-08-18 | Temporary support frame for mounting assembly type steel structure |
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| CN105003090A true CN105003090A (en) | 2015-10-28 |
| CN105003090B CN105003090B (en) | 2017-07-21 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106677543A (en) * | 2016-12-30 | 2017-05-17 | 江苏沪宁钢机股份有限公司 | Supporting structure for mounting of roof beam string segments |
| CN106836498A (en) * | 2016-12-28 | 2017-06-13 | 郑州工业应用技术学院 | A kind of super-span Stadium roof system steel truss lifting construction engineering method |
| CN111188524A (en) * | 2020-03-03 | 2020-05-22 | 衡水通广通信导航设备有限公司 | Full-series multifunctional retractable radar tower and construction method thereof |
| CN111963883A (en) * | 2020-08-02 | 2020-11-20 | 中国三冶集团有限公司 | Construction method of Wiggins gas tank by means of temporary assembly platform |
| CN114439252A (en) * | 2021-12-09 | 2022-05-06 | 陕西建工第一建设集团有限公司 | Main arch supporting device for hoisting large-span steel structure roof |
| CN115324360A (en) * | 2022-07-27 | 2022-11-11 | 成都建工第四建筑工程有限公司 | Construction method of large-span suspended truss |
| CN116241103A (en) * | 2022-11-16 | 2023-06-09 | 中国一冶集团有限公司 | Large-span curved surface single-layer reticulated shell mounting support steel frame structure and construction method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106836498A (en) * | 2016-12-28 | 2017-06-13 | 郑州工业应用技术学院 | A kind of super-span Stadium roof system steel truss lifting construction engineering method |
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| CN111188524A (en) * | 2020-03-03 | 2020-05-22 | 衡水通广通信导航设备有限公司 | Full-series multifunctional retractable radar tower and construction method thereof |
| CN111963883A (en) * | 2020-08-02 | 2020-11-20 | 中国三冶集团有限公司 | Construction method of Wiggins gas tank by means of temporary assembly platform |
| CN114439252A (en) * | 2021-12-09 | 2022-05-06 | 陕西建工第一建设集团有限公司 | Main arch supporting device for hoisting large-span steel structure roof |
| CN115324360A (en) * | 2022-07-27 | 2022-11-11 | 成都建工第四建筑工程有限公司 | Construction method of large-span suspended truss |
| CN116241103A (en) * | 2022-11-16 | 2023-06-09 | 中国一冶集团有限公司 | Large-span curved surface single-layer reticulated shell mounting support steel frame structure and construction method |
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| Publication number | Publication date |
|---|---|
| CN105003090B (en) | 2017-07-21 |
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Address after: No. 167, Donghuan Avenue, Liuzhou City, Guangxi Zhuang Autonomous Region Patentee after: Guangxi construction engineering Fifth Construction Engineering Group Co.,Ltd. Address before: No. 167, Donghuan Avenue, Liuzhou City, Guangxi Zhuang Autonomous Region Patentee before: THE FIFTH CONSTRUCTION ENGINEERING COMPANY OF GUANGXI CONSTRUCTION ENGINEERING Group |
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