CN115162774A - Turnover tower type supporting device for steel structure jig frame and construction method thereof - Google Patents
Turnover tower type supporting device for steel structure jig frame and construction method thereof Download PDFInfo
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- CN115162774A CN115162774A CN202210676535.5A CN202210676535A CN115162774A CN 115162774 A CN115162774 A CN 115162774A CN 202210676535 A CN202210676535 A CN 202210676535A CN 115162774 A CN115162774 A CN 115162774A
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- 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
- E04G25/00—Shores or struts; Chocks
- E04G25/02—Shores or struts; Chocks non-telescopic
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
-
- 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
- E04G25/00—Shores or struts; Chocks
- E04G2025/003—Supports therefor, e.g. tripods
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- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a turnover tower type supporting device for a steel structure jig frame and a construction method thereof, which have the advantages of low steel consumption, short manufacturing period, turnover use, cost saving, simple installation and operation, improvement on the defects of poor stability, large deformation, large influence on a top plate of a ground warehouse and the like of a traditional supporting system, increase of the rigidity and stability of the system, no need of top-return reinforcement of the top plate of the ground warehouse, avoidance of influence on the overground and underground construction period of the part, reduction of process intersection, acceleration of the construction progress, shortening of the total construction period, and guarantee of the assembling quality and the structural safety of a large-span steel structure on the premise of ensuring the deflection. The invention solves the problem that the construction period of the basement is long because the steel structure jig frame on the top plate of the basement needs to be jacked back.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a turnover tower type supporting device for a steel structure jig frame and a construction method thereof.
Background
With the continuous deepening of the safety production responsibility system into construction enterprises, the safe, energy-saving and environment-friendly construction becomes the main melody of engineering construction. Steel structural members used in construction work are increasingly large in span and weight, and the structural form is more complicated.
During the installation process of the steel members in a high-altitude bulk mode, a jig frame is generally used as a temporary support. Based on the safety and stability of the jig frame, the jig frame arranged on the top plate of the basement needs to be erected in the basement to effectively lift back. After the construction of the basement at the back top part is finished, the subsequent working procedure construction can not be carried out alternately, and the construction period is delayed.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art that is already known to a person skilled in the art.
Disclosure of Invention
In order to overcome the defects in the prior art, the rotatable tower type supporting device for the steel structure jig frame and the construction method thereof are provided so as to solve the problem that the construction period of the basement is long due to the fact that the steel structure jig frame on the top plate of the basement needs to be jacked back.
In order to realize above-mentioned purpose, provide a tower strutting arrangement can have enough to meet need for steel construction bed-jig, include:
the concrete support piers are arranged in a matrix manner, the concrete support piers are poured on a top plate of the basement and are arranged right above a structural column of the basement, and the concrete support piers are anchored on the structural column through planting bars;
a tower supporting rack for installing bed-jig, including two plane trusses, many even tie beams and the landing leg that sets up relatively, the vertical setting of plane truss, the length of plane truss certainly the lower part of plane truss to the upper portion of plane truss reduces gradually, two be connected with between the upper portion at the both ends of plane truss and between the lower part at the both ends of two respectively the tie beam, the both ends of plane truss set up two respectively through the landing leg the top of concrete buttress, the landing leg including rest in bearing plate on the concrete buttress, set firmly in stand and polylith support rib board at the middle part of the pressure-bearing, the tip of plane truss set firmly in the upper end of stand, support rib board support in the side of stand with between the bearing plate, the polylith support rib board is along the circumferential direction setting of stand.
Furthermore, a steel bar structure is embedded in the concrete buttress.
Furthermore, the plane truss comprises an upper bearer, a lower bearer, an outer web member and an inner web member, wherein the length of the upper bearer is smaller than that of the lower bearer, the upper bearer is arranged above the lower bearer in the same direction, two ends of the upper bearer and two ends of the lower bearer are respectively connected with the outer web member, and two ends of the upper bearer and the middle part of the lower bearer are respectively connected with the inner web member.
Furthermore, the connecting beams are respectively connected between two ends of the upper bearer of the two plane trusses, between two ends of the lower bearer of the two plane trusses, between middle parts of the lower bearers of the two plane trusses and between middle parts of the outer web members of the two plane trusses.
Furthermore, a plurality of connecting beams are connected between the middle parts of the lower bearing beams of the two plane trusses, and one connecting beam is arranged at the joint of the inner web member and the lower bearing beam.
Further, the upright column is a hollow section steel column.
Furthermore, the stand is rectangular, and four side surfaces of the stand are respectively connected with the supporting rib plates.
The invention provides a construction method of a turnover tower type supporting device for a steel structure jig frame, which comprises the following steps:
pouring a plurality of concrete buttresses on a top plate of the basement, wherein the concrete buttresses are arranged in a matrix form, each concrete buttress is arranged right above a structural column of the basement, and the concrete buttresses are anchored on the structural column through planting bars;
placing support legs at two ends of two plane trusses of the tower type supporting frame on the plurality of concrete buttresses in a one-to-one correspondence manner;
and a jig frame is arranged on the tower type supporting frame.
The turnover tower type supporting device for the steel structure jig frame has the advantages that on the premise of ensuring deflection, the turnover tower type supporting device for the steel structure jig frame is low in steel consumption, short in manufacturing period, capable of being used in a turnover mode, cost-saving, simple in installation and operation, overcomes the defects that a traditional supporting system is poor in stability, large in deformation, large in influence on a top plate of a ground warehouse and the like, increases rigidity and stability of the system, avoids the influence of the top plate of the ground warehouse on the ground and underground construction period, reduces process crossing, accelerates construction progress, shortens the total construction period, and simultaneously ensures assembling quality and structural safety of a large-span steel structure.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
fig. 1 is a schematic structural diagram of a recyclable tower-type supporting device for a steel structure jig frame according to an embodiment of the invention.
Fig. 2 is a side view of a rotatable tower support for a steel structure jig according to an embodiment of the invention.
Fig. 3 is a top view of a rotatable tower support device for a steel structure jig frame according to an embodiment of the invention.
Fig. 4 is a schematic structural diagram of a leg according to an embodiment of the present invention.
FIG. 5 is a top view of a leg of an embodiment of the present invention.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Referring to fig. 1 to 5, the present invention provides a turnover tower type supporting device for a steel structure jig frame, including: a plurality of concrete piers 1 and a tower type supporting frame 2.
Wherein, concrete buttress 1 pours into the roof of basement. Concrete buttress 1 sets up directly over the structure post of basement. A plurality of concrete buttress 1 is the matrix and arranges. The concrete buttress 1 is anchored in the structural column of the basement through the embedded steel bars.
The tower support frame 2 comprises two planar trusses 21, a plurality of tie beams 22 and legs 23. The two planar girders 21 are arranged opposite to each other. Each of the planar girders 21 is vertically arranged. The length of the plane girder 21 is gradually reduced from the lower portion of the plane girder 21 to the upper portion of the plane girder 21. A tie beam 22 is connected between the upper portions of both ends of the two plane trusses 21. A connecting beam 22 is connected between the lower parts of the two ends of the two plane trusses 21. Two ends of the plane truss 21 are respectively erected above the two concrete buttresses 1 through supporting legs 23.
The leg 23 includes a bearing plate 231, a pillar 232, and a plurality of support ribs 233. Wherein the bearing plate 231 is rested on the concrete buttress 1. The column 232 is fixedly arranged in the middle of the bearing plate. The end of the plane truss 21 is fixedly arranged at the upper end of the upright post 232. The support ribs 233 are supported between the side surfaces of the columns 232 and the bearing plates 231. The plurality of support ribs 233 are provided along the circumferential direction of the pillar 232. The tower support 2 is used for mounting a jig (not shown in fig. 2 and 3).
The turnover tower type supporting device for the steel structure jig frame has the advantages that on the premise of ensuring the deflection, the steel consumption is low, the manufacturing period is short, turnover use is realized, the cost is saved, the mounting operation is simple, the defects of poor stability, large deformation, large influence on a top plate of a ground warehouse and the like of a traditional supporting system are overcome, the rigidity and the stability of the system are improved, the top plate of the ground warehouse does not need to be jacked back for reinforcement, the influence on the construction period of the ground and underground construction of the part is avoided, the process intersection is reduced, the construction progress is accelerated, the total construction period is shortened, and the assembling quality and the structural safety of a large-span steel structure are ensured.
In this embodiment, the concrete pier is a reinforced concrete structure. And a steel bar structure is embedded in the concrete buttress 1.
In a preferred embodiment, the plane truss is in an isosceles trapezoid shape as a whole. The plane truss is narrow at the top and wide at the bottom. Specifically, the plane girder 21 includes an upper bolster 211, a lower bolster 212, an outer web bar 214, and an inner web bar 213. Wherein the length of the upper bolster 211 is less than the length of the lower bolster 212. The upper bolster 211 is concentrically positioned above the lower bolster 212. The upper bolster 211 and the lower bolster 212 are connected at both ends thereof with outer web members 214, respectively. The two ends of the upper bolster 211 and the middle of the lower bolster 212 are respectively connected with an inner web member 213.
In this embodiment, the coupling beams 22 are connected between both ends of the upper bolster 211 of the two plane trusses 21, respectively. The connecting beams 22 are connected between the two ends of the lower bolster 212 of the two plane trusses 21. The connecting beam 22 is connected between the middle parts of the lower support beams 212 of the two plane trusses 21. The connecting beam 22 is connected between the middle parts of the outer web rods 214 of the two plane trusses 21.
In particular, with continued reference to fig. 1, the distance of the tie beam 22 between the ends of the two upper bolster beams 211 is adapted to the width of the tire frame. Three connecting beams 22 are respectively connected between the middle parts of the lower support beams 212 of the two plane trusses 21, wherein one connecting beam is arranged below the upper support beam in the middle.
A plurality of connecting beams 22 are connected between the middle portions of the lower support beams 212 of the two plane trusses 21, and a connecting beam is disposed at the junction of the inner web 213 and the lower support beam 212 (i.e., a connecting beam centrally disposed below the upper support beam). The lower ends of the two inner web members 213, one end of the tie beam centrally disposed below the upper bolster, and the middle of the lower bolster are joined.
In the present embodiment, the upper bolster 211, the lower bolster 212, the outer web 214, the inner web 213, the tie beams, and the columns 232 are hollow section steel columns.
In a preferred embodiment, the posts 232 are rectangular square steel. The support ribs 233 are connected to four sides of the column 232, respectively. The supporting rib plates on the four sides of the upright post are arranged at equal intervals.
The invention provides a construction method of a turnover tower type supporting device for a steel structure jig frame, which comprises the following steps:
s1: pour a plurality of concrete buttress 1 in the roof of basement, a plurality of concrete buttress 1 are the matrix and arrange, and each concrete buttress 1 sets up directly over a structure post of basement, and concrete buttress 1 is through planting the bar anchor in the structure post.
During construction, according to a steel structure assembling jig frame layout, paying off and positioning the position of the concrete buttress on a basement top plate to ensure that the concrete buttress is positioned on a beam column, processing the tower-type support frame according to the design size and ensuring that four fulcrums (supporting legs) of the tower-type support frame fall in the center of the concrete buttress position.
The upper bolster 211, the lower bolster 212, the outer web rod 214, the inner web rod 213, the tie beam and the upright 232 are made of Q435GJC steel.
The upper bolster 211, the lower bolster 212, the outer web rod 214 and the inner web rod 213 are rectangular hollow square steel tubes of 200mm × 200mm × 20mm respectively. The connecting beam is a rectangular hollow square steel tube with the diameter of 100mm multiplied by 20mm. The lower ends of the two inner web members are connected with a ribbed slab.
The size of the pressure bearing plate of the supporting leg is 400mm multiplied by 20mm. The thickness of the support rib plate is 20mm. The upright column is 200mm (length) multiplied by 200mm (width) multiplied by 220 (height) mm, and the wall thickness is 20mm.
The concrete buttress is a cast-in-place concrete block with the thickness of 500mm multiplied by 250 mm.
S2: the support legs 23 at both ends of the two plane trusses 21 of the tower type support frame 2 are placed on the plurality of concrete piers 1 in a one-to-one correspondence.
And (3) placing the supporting legs of the tower type supporting frame on the concrete buttress, and respectively detecting the verticality and the deflection of the tower type supporting frame.
S3: a jig frame 3 is arranged on the tower type supporting frame 2.
The turnover tower type supporting device for the steel structure jig frame reasonably and fully utilizes the bearing capacity of the structure under the condition of ensuring the safety of the structure, and the counter force of the upper jig frame is transmitted to the frame beam part of the top plate of the basement through the support legs at the four corners of the tower type supporting frame and then transmitted to the frame columns, so that the rigidity and the stability of the system are improved, and the top plate of the basement does not need to be jacked back for reinforcement.
The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention according to the present application is not limited to the specific combination of the above-mentioned features, but also covers other embodiments where any combination of the above-mentioned features or their equivalents is made without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
Claims (8)
1. The utility model provides a tower strutting arrangement can have enough to meet need for steel construction bed-jig which characterized in that includes:
the concrete support piers are arranged in a matrix manner, the concrete support piers are poured on a top plate of the basement and are arranged right above a structural column of the basement, and the concrete support piers are anchored on the structural column through planting bars;
a tower supporting rack for installing bed-jig, including two plane trusses, many even tie beam and the landing leg of relative setting, the vertical setting of plane truss, the length of plane truss certainly the lower part of plane truss to the upper portion of plane truss reduces gradually, two be connected with between the upper portion at the both ends of plane truss and between the lower part at the both ends of plane truss respectively even the tie beam, the both ends of plane truss are located two respectively through the landing leg frame the top of concrete buttress, the landing leg including lay in bearing plate on the concrete buttress, set firmly in stand and polylith support rib at the middle part of the pressure-bearing, the tip of plane truss set firmly in the upper end of stand, support rib support in the side of stand with between the bearing plate, the polylith support rib is along the circumferential direction setting of stand.
2. The turnover tower type supporting device for the steel structure jig frame as claimed in claim 1, wherein a steel bar structure is buried in the concrete buttress.
3. The turnover tower type supporting device for the steel structure jig frame as claimed in claim 1, wherein the plane truss comprises an upper bearer, a lower bearer, outer web members and inner web members, the length of the upper bearer is smaller than that of the lower bearer, the upper bearer is centrally arranged above the lower bearer in the same direction, the outer web members are respectively connected to two ends of the upper bearer and the lower bearer, and the inner web members are respectively connected to two ends of the upper bearer and the middle of the lower bearer.
4. The epicyclic tower support device for a steel structure jig frame according to claim 3, wherein said tie beams are connected between both ends of the upper bearer of said two planar trusses, between both ends of the lower bearer of said two planar trusses, between the middle portions of the lower bearers of said two planar trusses, and between the middle portions of the outer web members of said two planar trusses, respectively.
5. The turnover tower type supporting device for the steel structure jig frame as claimed in claim 4, wherein a plurality of the connecting beams are connected between the middle parts of the lower bearer beams of the two plane trusses, and one connecting beam is arranged at the joint of the inner web member and the lower bearer beam.
6. A turnaround tower support apparatus for a steel structural jig frame as claimed in claim 1, wherein the columns are hollow section steel columns.
7. A turnover tower type supporting device for a steel structure jig frame as claimed in claim 6, wherein the stand column is rectangular, and the supporting rib plates are connected to four side faces of the stand column respectively.
8. A construction method of the turnover tower type supporting device for the steel structure jig frame as claimed in any one of the claims 1 to 7, characterized by comprising the following steps:
pouring a plurality of concrete buttresses on a top plate of the basement, wherein the concrete buttresses are arranged in a matrix form, each concrete buttress is arranged right above a structural column of the basement, and the concrete buttresses are anchored on the structural column through planting bars;
placing the support legs at two ends of two plane trusses of the tower-type support frame on the plurality of concrete buttresses in a one-to-one correspondence manner;
and a jig frame is arranged on the tower type supporting frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210676535.5A CN115162774A (en) | 2022-06-15 | 2022-06-15 | Turnover tower type supporting device for steel structure jig frame and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210676535.5A CN115162774A (en) | 2022-06-15 | 2022-06-15 | Turnover tower type supporting device for steel structure jig frame and construction method thereof |
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| Publication Number | Publication Date |
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| CN115162774A true CN115162774A (en) | 2022-10-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210676535.5A Pending CN115162774A (en) | 2022-06-15 | 2022-06-15 | Turnover tower type supporting device for steel structure jig frame and construction method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2213072A1 (en) * | 1997-08-14 | 1999-02-14 | Etobicoke Ironworks Limited | Modular truss shoring system |
| CN202689585U (en) * | 2012-05-23 | 2013-01-23 | 中建二局第三建筑工程有限公司 | Ground fitting up assembly mould of large steel truss |
| CN202882515U (en) * | 2012-11-13 | 2013-04-17 | 中铁四局集团第一工程有限公司 | Tower-type steel-structure inner model supporting bracket |
| CN202913677U (en) * | 2012-10-31 | 2013-05-01 | 中建三局第二建设工程有限责任公司 | Multifunctional conversion scaffold capable of lifting steel platform |
| CN210370010U (en) * | 2019-06-12 | 2020-04-21 | 中建一局集团第二建筑有限公司 | Truss-like boot foot for lattice support |
-
2022
- 2022-06-15 CN CN202210676535.5A patent/CN115162774A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2213072A1 (en) * | 1997-08-14 | 1999-02-14 | Etobicoke Ironworks Limited | Modular truss shoring system |
| CN202689585U (en) * | 2012-05-23 | 2013-01-23 | 中建二局第三建筑工程有限公司 | Ground fitting up assembly mould of large steel truss |
| CN202913677U (en) * | 2012-10-31 | 2013-05-01 | 中建三局第二建设工程有限责任公司 | Multifunctional conversion scaffold capable of lifting steel platform |
| CN202882515U (en) * | 2012-11-13 | 2013-04-17 | 中铁四局集团第一工程有限公司 | Tower-type steel-structure inner model supporting bracket |
| CN210370010U (en) * | 2019-06-12 | 2020-04-21 | 中建一局集团第二建筑有限公司 | Truss-like boot foot for lattice support |
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