CN104947850A - Shuttle-shaped roof truss and construction method thereof - Google Patents
Shuttle-shaped roof truss and construction method thereof Download PDFInfo
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- CN104947850A CN104947850A CN201510336220.6A CN201510336220A CN104947850A CN 104947850 A CN104947850 A CN 104947850A CN 201510336220 A CN201510336220 A CN 201510336220A CN 104947850 A CN104947850 A CN 104947850A
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- 238000010276 construction Methods 0.000 title claims abstract description 11
- 239000003351 stiffener Substances 0.000 claims description 21
- 238000009434 installation Methods 0.000 claims description 10
- 238000005452 bending Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
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Abstract
The invention relates to a shuttle-shaped truss for a roof and a construction method thereof. The shuttle-shaped truss of the roof comprises an upper chord member, a horizontal web member, a hinged connecting member, an inclined web member, a rigid pull rod, a lower chord member, a high-strength connecting member and a shuttle-shaped truss support, wherein the upper chord member, the horizontal web member, the inclined web member and the lower chord member are connected to form a shuttle-shaped structure; the shuttle-shaped truss support and the lower chord, the high-strength connecting piece and the lower chord, the horizontal web member and the upper chord, the lower end of the oblique web member and the high-strength connecting piece, the upper end of the oblique web member and the upper chord, and the hinged connecting piece and the upper chord and the lower chord of the shuttle-shaped truss are welded; the upper end of the rigid pull rod is hinged with the junction of the upper chord member and the diagonal web member, and the lower end of the rigid pull rod is hinged with the high-strength connecting member. The connection mode of the fusiform truss nodes and the stress of the rod pieces are more reasonable, the connection reliability between the rigid pull rod and the truss and between the truss and the truss ensures the maximum transmission of the tensile force of the rigid pull rod and the stability of the whole roof structure. The high-strength connecting piece of the rigid pull rod of the shuttle-shaped truss ensures effective transmission of the pulling force of the rigid pull rod.
Description
Technical field
The present invention relates to the irregular steel structural roof of a kind of large span, be specially roof system spindle-shaped truss and construction method thereof.
Background technology
Large span spindle-shaped truss, it is a girder system in irregular shape, complex structure, rod member are of a great variety, type of attachment is various, stressed complexity, relate to the structures such as push-and-pull rod, articulated joints, spindle-shaped truss bearing, high strength connecting joint part, therefore for ensureing that relatively large deviation does not occur spindle-shaped truss constructing structure overall dimensions, guaranteeing that spindle-shaped truss construction meets design stress simultaneously, quite high requirement is existed to the connected node in spindle-shaped truss structure.Spindle-shaped truss out-of-shape, span are comparatively large, rod member kind is more, stressed complexity etc., and prior art node connects the reliability etc. that effectively can not solve push-and-pull rod and truss and be connected between truss with truss.Because this engineering spindle-shaped truss is just by these effective connected modes (push-and-pull rod high strength node, pinned connection) across outer and all the other plane frames, ensure that the maximum delivered of push-and-pull rod pulling force and the stability of integral roof structure.
Summary of the invention
For problem above, the invention discloses roof system spindle-shaped truss and construction method thereof, make the connected mode of spindle-shaped truss node and rod member stressed more reasonable, solve existing technology and do not conform to rational problem to push-and-pull rod and across the connection of outer truss is stressed.
Concrete solution is: roof system spindle-shaped truss comprises upper chord, horizontal web member, articulated joints, diagonal web member, push-and-pull rod, lower chord, high strength connector and spindle-shaped truss bearing, and upper chord, horizontal web member, diagonal web member and lower chord are interconnected to form shuttle shape structure; Spindle-shaped truss bearing and lower chord, diagonal web member are welded to connect; High strength connector and lower chord are welded to connect; Horizontal web member and upper chord are welded to connect; Diagonal web member lower end and high strength connector are welded to connect, and upper end and upper chord are welded to connect; Articulated joints and spindle-shaped truss upper chord, lower chord are welded to connect; Push-and-pull rod upper end and upper chord and diagonal web member intersection hinged, lower end and high strength connector hinged.
Further, high strength connector comprises master and strangles plate, upper cover plate, the first stiffener, the second stiffener and bending resisting plate, and master strangles plate and upper cover plate is welded to connect, in T type; First stiffener and master strangle plate and upper cover plate is welded to connect; Second stiffener and master strangle plate and upper cover plate is welded to connect; Bending resisting plate and upper cover plate are welded to connect.
Further, the master of high strength connector strangles plate and is positioned at the angle that a pair diagonal web member formed, and be welded to connect with diagonal web member and lower chord, the first stiffener and lower chord are welded to connect.
Further, a pair push-and-pull rod drawn by the upper cover plate of high strength connector, and push-and-pull rod and lower chord intersection arrange a pair diagonal web member, and a pair push-and-pull rod and a pair diagonal web member are along lower chord interlaced arrangement.
Further, one end that spindle-shaped truss is connected with plane frame is spindle-shaped truss end, and spindle-shaped truss end is connected by hinge with plane frame end.
Further, spindle-shaped truss bearing is spherical bearing, and spherical bearing is separately positioned on the position of spindle-shaped truss near end.
The invention also discloses roof system spindle-shaped truss construction method, comprise the steps:
(1) spindle-shaped truss operation moulding bed is set up;
(2) spindle-shaped truss upper chord, the added installation of lower chord;
(3) the added installation of spindle-shaped truss bearing, spindle-shaped truss bearing and lower chord are welded to connect;
(4) high strength connector is installed, and high strength connector and lower chord are welded to connect;
(5) the added installation of horizontal web member, horizontal web member and upper chord are welded to connect;
(6) diagonal web member is installed, and diagonal web member lower end and high strength connector are welded to connect, and upper end and upper chord are welded to connect;
(7) articulated joints is installed, and articulated joints and spindle-shaped truss upper chord lower chord are welded to connect;
(8) push-and-pull rod is installed, push-and-pull rod upper end and upper chord and diagonal web member intersection hinged, lower end and high strength connector hinged, complete connection post tensioning;
(9) spindle-shaped truss assembled after, adopt double-machine lifting crane method to lift.
Beneficial effect: 1) connected mode of spindle-shaped truss node and rod member stressed more reasonable, push-and-pull rod and truss and the reliability be connected between truss with truss, ensure that the maximum delivered of push-and-pull rod pulling force and the stability of integral roof structure.2) spindle-shaped truss push-and-pull rod adopts " T-shaped " high strength connector, after being welded to connect, then installing push-and-pull rod and carries out stretch-draw with spindle-shaped truss lower chord.Ensure that effective transmission of push-and-pull rod pulling force, and prevent stress too concentrate and cause link position rod member to destroy.3) spindle-shaped truss end have employed hinge connection, after articulated joints is welded with spindle-shaped truss, then installs spindle-shaped truss across outer plane frame, and both ensured that structure was when being subject to burst load, this connected node fracture does not occur or destroys, simultaneously constructability.
Accompanying drawing explanation
Fig. 1 is roof system spindle-shaped truss stereogram;
Fig. 2 is high strength connector stereogram;
Fig. 3 is articulated joints stereogram;
Fig. 4 is roof system spindle-shaped truss partial enlarged drawing;
In figure, 1-upper chord; The horizontal web member of 2-; 3-articulated joints; 31-spindle-shaped truss end; 32-bearing pin; 4-diagonal web member; 5-push-and-pull rod; 6-lower chord; 7-high strength connector; 71-master strangles plate; 72-upper cover plate; 73-first stiffener; 74-second stiffener; 75-bending resisting plate; 8-spindle-shaped truss bearing; 9-plane frame end.
Detailed description of the invention
Roof system spindle-shaped truss comprises upper chord 1, horizontal web member 2, articulated joints 3, diagonal web member 4, push-and-pull rod 5, lower chord 6, high strength connector 7 and spindle-shaped truss bearing 8, for spherical bearing, spherical bearing is separately positioned on the position of spindle-shaped truss near end.Upper chord 1, horizontal web member 2, diagonal web member 4 are interconnected to form shuttle shape structure with lower chord 6.
Spindle-shaped truss bearing 8 and lower chord 6, diagonal web member 4 are welded to connect; High strength connector 7 and lower chord 6 are welded to connect; Horizontal web member 2 is welded to connect with upper chord 1; Diagonal web member 4 lower end and high strength connector 7 are welded to connect, and upper end and upper chord 1 are welded to connect; Articulated joints 3 and spindle-shaped truss upper chord 1, lower chord 6 are welded to connect; Push-and-pull rod 5 upper end and upper chord 1 hinged with diagonal web member 4 intersection, lower end and high strength connector 7 hinged.
High strength connector 7 comprises master and strangles plate 71, upper cover plate 72, first stiffener 73, second stiffener 74 and bending resisting plate 75, and main plate 71 of strangling is welded to connect, in T type with upper cover plate 72; First stiffener 73 and master strangle plate 71 and upper cover plate 72 is welded to connect; Second stiffener 74 and master strangle plate 71 and upper cover plate 72 is welded to connect; Bending resisting plate 75 and upper cover plate 72 are welded to connect.Main plate 71 of strangling is positioned at the angle that a pair diagonal web member 4 formed, and be welded to connect with diagonal web member 4 and lower chord 6, the first stiffener 73 is welded to connect with lower chord 6.A pair push-and-pull rod 5 drawn by upper cover plate 72, and push-and-pull rod 5 and lower chord 6 intersection arrange a pair diagonal web member 4, and a pair push-and-pull rod 5 and a pair diagonal web member 4 are along lower chord 6 interlaced arrangement.
One end that spindle-shaped truss is connected with plane frame is spindle-shaped truss end 31, and spindle-shaped truss end 31 and plane frame end 9 are articulated and connected by bearing pin 32.
Roof system spindle-shaped truss construction method, comprises the steps:
(1) spindle-shaped truss operation moulding bed is set up;
(2) spindle-shaped truss upper chord 1, the added installation of lower chord 6;
(3) the added installation of spindle-shaped truss bearing 8, spindle-shaped truss bearing 8 and lower chord 6 are welded to connect;
(4) high strength connector 7 is installed, and the master of high strength connector 7 strangles after plate 71 installs with upper cover plate 72, is welded to connect in T-shape; First stiffener 73 and master strangle plate 71 and upper cover plate 72 is installed, and is welded to connect; Second stiffener 74 and master strangle plate 71 and upper cover plate 72 is installed, and is welded to connect; Bending resisting plate 75 and upper cover plate 72 are installed, and are welded to connect; High strength connector 7 and lower chord 6 are welded to connect;
(5) the added installation of horizontal web member 2, horizontal web member 2 is welded to connect with upper chord 1;
(6) diagonal web member 4 is installed, and diagonal web member 4 lower end and high strength connector 7 are welded to connect, and upper end and upper chord 1 are welded to connect;
(7) articulated joints 3 is installed, and articulated joints 3 and spindle-shaped truss upper chord 1 lower chord 6 are welded to connect; When articulated joints 3 is installed, spindle-shaped truss end 31 is hinged by bearing pin 32 with plane frame end 9;
(8) push-and-pull rod 5 is installed, push-and-pull rod 5 upper end and upper chord 1 hinged with diagonal web member 4 intersection, lower end and high strength connector 7 hinged, complete connection post tensioning;
(9) spindle-shaped truss assembled after, adopt double-machine lifting crane method to lift.
Claims (9)
1. roof system spindle-shaped truss, it is characterized in that, described truss comprises upper chord (1), horizontal web member (2), articulated joints (3), diagonal web member (4), push-and-pull rod (5), lower chord (6), high strength connector (7) and spindle-shaped truss bearing (8), and described upper chord (1), horizontal web member (2), diagonal web member (4) and lower chord (6) are interconnected to form shuttle shape structure;
Spindle-shaped truss bearing (8) and lower chord (6), diagonal web member (4) are welded to connect; High strength connector (7) and lower chord (6) are welded to connect; Horizontal web member (2) and upper chord (1) are welded to connect; Diagonal web member (4) lower end and high strength connector (7) are welded to connect, and upper end and upper chord (1) are welded to connect; Articulated joints (3) and spindle-shaped truss upper chord (1), lower chord (6) are welded to connect; Push-and-pull rod (5) upper end and upper chord (1) are hinged with diagonal web member (4) intersection, lower end and high strength connector (7) hinged.
2. roof system spindle-shaped truss according to claim 1, it is characterized in that, described high strength connector (7) comprises master and strangles plate (71), upper cover plate (72), the first stiffener (73), the second stiffener (74) and bending resisting plate (75), main plate (71) of strangling is welded to connect, in T type with upper cover plate (72); First stiffener (73) and master strangle plate (71) and upper cover plate (72) is welded to connect; Second stiffener (74) and master strangle plate (71) and upper cover plate (72) is welded to connect; Bending resisting plate (75) and upper cover plate (72) are welded to connect.
3. roof system spindle-shaped truss according to claim 2, it is characterized in that, described high strength connector (7), main plate (71) of strangling is positioned at the angle that a pair diagonal web member (4) formed, be welded to connect with diagonal web member (4) and lower chord (6), the first stiffener (73) and lower chord (6) are welded to connect.
4. roof system spindle-shaped truss according to claim 2, it is characterized in that, a pair push-and-pull rod (5) drawn by the upper cover plate (72) of described high strength connector (7), push-and-pull rod (5) and lower chord (6) intersection arrange a pair diagonal web member (4), and a pair push-and-pull rod (5) and a pair diagonal web member (4) are along lower chord (6) interlaced arrangement.
5. roof system spindle-shaped truss according to claim 1, it is characterized in that, one end that described spindle-shaped truss is connected with plane frame is spindle-shaped truss end (31), and spindle-shaped truss end (31) and plane frame end (9) are articulated and connected by bearing pin (32).
6. roof system spindle-shaped truss according to claim 1, is characterized in that, described spindle-shaped truss bearing (8) is spherical bearing, and spherical bearing is separately positioned on the position of spindle-shaped truss near end.
7. roof system spindle-shaped truss construction method, is characterized in that, comprises the steps:
(1) spindle-shaped truss operation moulding bed is set up;
(2) spindle-shaped truss upper chord (1), lower chord (6) added installation;
(3) spindle-shaped truss bearing (8) added installation, spindle-shaped truss bearing (8) and lower chord (6) are welded to connect;
(4) high strength connector (7) is installed, and high strength connector (7) and lower chord (6) are welded to connect;
(5) horizontal web member (2) added installation, horizontal web member (2) and upper chord (1) are welded to connect;
(6) diagonal web member (4) is installed, and diagonal web member (4) lower end and high strength connector (7) are welded to connect, and upper end and upper chord (1) are welded to connect;
(7) articulated joints (3) is installed, and articulated joints (3) and spindle-shaped truss upper chord (1) lower chord (6) are welded to connect;
(8) push-and-pull rod (5) is installed, push-and-pull rod (5) upper end and upper chord (1) and diagonal web member (4) intersection hinged, lower end and high strength connector (7) hinged, complete connection post tensioning;
(9) spindle-shaped truss assembled after, adopt double-machine lifting crane method to lift.
8. roof system spindle-shaped truss construction method according to claim 7, is characterized in that, the installation steps of described high strength connector (7) are as follows:
(1) mainly strangle after plate (71) installs with upper cover plate (72), and be welded to connect;
(2) first stiffeners (73) and master strangle plate (71) and upper cover plate (72) is installed, and is welded to connect;
(3) second stiffeners (74) and master strangle plate (71) and upper cover plate (72) is installed, and is welded to connect;
(4) bending resisting plate (75) and upper cover plate (72) are installed, and are welded to connect.
9. roof system spindle-shaped truss construction method according to claim 7, is characterized in that, when described articulated joints (3) is installed, spindle-shaped truss end (31) are hinged by bearing pin (32) with plane frame end (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510336220.6A CN104947850B (en) | 2015-06-17 | 2015-06-17 | Shuttle-shaped roof truss and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510336220.6A CN104947850B (en) | 2015-06-17 | 2015-06-17 | Shuttle-shaped roof truss and construction method thereof |
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| CN104947850A true CN104947850A (en) | 2015-09-30 |
| CN104947850B CN104947850B (en) | 2016-10-05 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105401691A (en) * | 2015-11-23 | 2016-03-16 | 中建钢构有限公司 | Temporary support device for shuttle-shaped space truss and assembling method thereof |
| CN105484503A (en) * | 2015-11-23 | 2016-04-13 | 中建钢构有限公司 | Inclined shuttle-shaped space truss hoisting method |
| CN105735131A (en) * | 2016-03-04 | 2016-07-06 | 上海十三冶建设有限公司 | Ultra-high ultra-large-span box type component truss splicing method |
| CN106869319A (en) * | 2017-01-22 | 2017-06-20 | 中国十七冶集团有限公司 | Large span steel truss installation method |
| CN107816209A (en) * | 2017-11-09 | 2018-03-20 | 浙江中南建设集团钢结构有限公司 | The large-scale Roof Truss construction technology of installation is lifted across outer both sides |
| CN108487463A (en) * | 2018-04-16 | 2018-09-04 | 北京市建筑工程研究院有限责任公司 | A kind of node and its application method suitable for beam-string structure double-cable stretching |
| CN112681615A (en) * | 2020-12-24 | 2021-04-20 | 中国建筑第八工程局有限公司 | Fish belly formula space beam string and roof structure |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105401691A (en) * | 2015-11-23 | 2016-03-16 | 中建钢构有限公司 | Temporary support device for shuttle-shaped space truss and assembling method thereof |
| CN105484503A (en) * | 2015-11-23 | 2016-04-13 | 中建钢构有限公司 | Inclined shuttle-shaped space truss hoisting method |
| CN105735131A (en) * | 2016-03-04 | 2016-07-06 | 上海十三冶建设有限公司 | Ultra-high ultra-large-span box type component truss splicing method |
| CN106869319A (en) * | 2017-01-22 | 2017-06-20 | 中国十七冶集团有限公司 | Large span steel truss installation method |
| CN107816209A (en) * | 2017-11-09 | 2018-03-20 | 浙江中南建设集团钢结构有限公司 | The large-scale Roof Truss construction technology of installation is lifted across outer both sides |
| CN108487463A (en) * | 2018-04-16 | 2018-09-04 | 北京市建筑工程研究院有限责任公司 | A kind of node and its application method suitable for beam-string structure double-cable stretching |
| CN112681615A (en) * | 2020-12-24 | 2021-04-20 | 中国建筑第八工程局有限公司 | Fish belly formula space beam string and roof structure |
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| CN104947850B (en) | 2016-10-05 |
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