CN112814384A - Floor slab reverse supporting system based on steel pipe bundle combined structure and construction method - Google Patents
Floor slab reverse supporting system based on steel pipe bundle combined structure and construction method Download PDFInfo
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- CN112814384A CN112814384A CN202110158801.0A CN202110158801A CN112814384A CN 112814384 A CN112814384 A CN 112814384A CN 202110158801 A CN202110158801 A CN 202110158801A CN 112814384 A CN112814384 A CN 112814384A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 71
- 239000010959 steel Substances 0.000 title claims abstract description 71
- 238000010276 construction Methods 0.000 title claims abstract description 30
- 230000002441 reversible effect Effects 0.000 title claims abstract description 25
- 239000002131 composite material Substances 0.000 claims description 16
- 230000007246 mechanism Effects 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 7
- 239000010410 layer Substances 0.000 description 12
- 239000004567 concrete Substances 0.000 description 10
- 238000009434 installation Methods 0.000 description 4
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 239000004417 polycarbonate Substances 0.000 description 2
- 239000011376 self-consolidating concrete Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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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
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
-
- 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
- E04G25/04—Shores or struts; Chocks telescopic
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention provides a floor slab reverse supporting system based on a steel pipe bundle combined structure and a construction method. The invention can be simultaneously provided with three or even multiple floor bearing plates to realize staggered-floor alternate construction by being supported and connected on the H-shaped steel beam through the truss girder, thereby effectively solving the problem of long construction period caused by the layer-by-layer construction of the floor slab from bottom to top in the traditional method; in addition, the floor slab reverse supporting system is low in one-time investment and good in forming effect, and the problems of high investment, poor quality and high secondary treatment cost in the traditional method are solved.
Description
Technical Field
The invention relates to the technical field of construction of steel pipe bundle composite structures, in particular to a floor slab reverse supporting system based on a steel pipe bundle composite structure and a construction method.
Background
At present, the structural types of high-rise residences in China are rapidly evolving, various structural types such as shear wall structures, frame structures, PC (polycarbonate) assembly structures and the like are adopted, and a steel tube concrete bundle combined structure (a steel tube bundle wall body, an H-shaped steel beam and a truss floor bearing plate) is adopted as a novel structural form and is popularized and applied in the field of high-rise residences in multiple cities. The height of a single-section component of the steel pipe bundle wall body of the structural system is three layers, the construction of the single-section structure is completed by the three-layer structure, but two constraint conditions exist in the installation of the lower-section steel pipe bundle wall body component: firstly, the lower section of steel pipe bundle is installed under the condition that the strength of self-compacting concrete in the bundle reaches 80 percent (about 5 days at the conventional temperature); and secondly, the pouring time of the floor slab concrete and the installation of a steel structure above the floor slab should not exceed 3 natural floors. The strength of the self-compacting concrete is affected by weather, protective measures, raw material proportion and the like, so that the effective time is not easily shortened, the construction progress of the floor slab is accelerated (the construction period of the three-layer floor slab is controlled to be 5 days), and smooth installation of the steel structure and construction flow line operation of the steel structure and the floor slab concrete structure and the like can be guaranteed.
Aiming at high-rise houses, the traditional galvanized plate bottom die steel bar truss floor bearing plate system can meet the condition that three layers are paved simultaneously, but before floor slab steel bars, concrete and other project works, the bottom of the floor bearing plate must be provided with independent supports according to spans, so that floor slab steel bars, concrete and other project works must be constructed layer by layer from bottom to top, the single-layer construction period is long, the single-section construction period is prolonged, the whole working period is long, and the flow process cannot be formed. Aiming at the blank delivery standard, after the bottom die of the galvanized plate is dismantled, the forming effect of the top plate is poor, the lap joint of the floor bearing plate forms a staggered platform, the whole floor bearing plate presents raised grains, and the secondary treatment at the later stage is needed. Meanwhile, the turnover rate of the bottom die of the galvanized plate is low, no recovery manufacturer is provided, the one-time investment is high, and the comprehensive cost is high. Therefore, a floor slab supporting system is changed, and a novel supporting system is adopted, so that the purposes of staggered floor alternate construction, quick construction period, low comprehensive cost and good forming effect are achieved.
Disclosure of Invention
Aiming at the technical problems, the invention provides a floor slab reverse supporting system based on a steel pipe bundle combined structure and a construction method, which are used for solving the problem that in the prior art, the construction period is long due to the fact that independent supports are required to be arranged on truss floor bearing plates of floor slab steel bars, concrete and other sub-projects of the steel pipe bundle combined structure, and the construction period is long.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a floor slab reverse supporting system based on a steel pipe bundle combined structure comprises a truss girder, wherein the truss girder is connected with an H-shaped steel beam through an adjustable supporting mechanism.
Furthermore, adjustable supporting mechanism is including setting up the stand on H shaped steel roof beam and connecting the sleeve on the truss girder, stand pass through fastening components and sleeve releasable connection.
Furthermore, the fastening assembly comprises a convex nut connected to the sleeve and a concave nut connected to the stand column, and the convex nut and the concave nut are in plug-in fit; the convex nut is provided with a bulge on one side close to the concave nut, and the concave nut is provided with a groove matched with the bulge.
Further, the concave nut is in threaded connection with the upright post; the convex nut is fixedly connected with the sleeve.
Furthermore, the upright post is also in threaded connection with a fastening nut, and the fastening nut is positioned on one side of the concave nut away from the convex nut.
Further, the concave nut is in threaded connection with the upright post; the convex nut is in threaded connection with the sleeve.
Furthermore, the upright post is also in threaded connection with a fastening nut, and the fastening nut is positioned on one side of the concave nut away from the convex nut; the screw thread direction of the fastening nut and the upright post is opposite to the screw thread direction of the convex nut and the sleeve.
Furthermore, the upright post is connected with the H-shaped steel beam through a clamping connecting piece; the clamping connecting piece comprises a first clamping piece and a second clamping piece which are respectively clamped on two sides of the lower flange of the H-shaped steel beam, and the first clamping piece and the second clamping piece are detachably connected.
Furthermore, a secondary keel is arranged on the truss girder, and the secondary keel and the truss girder are arranged in a crossed manner; and a panel is paved on the truss girder and/or the secondary keel.
The construction method of the floor slab reverse supporting system based on the steel pipe bundle composite structure comprises the following steps:
s1, manufacturing the truss girder, fixedly connecting a sleeve with a vertically downward opening at the lower side of the end part of the truss girder, sleeving a convex nut at the lower end of the sleeve, and fixedly connecting or connecting the convex nut with the sleeve in a threaded manner;
s2, connecting the upright post to the H-shaped steel beam through the clamping connecting piece, and sequentially connecting the fastening nut and the concave nut to the upright post in a threaded manner;
s3, sleeving the sleeve on the upright post, and rotating the concave nut to a proper height;
s4, aligning the groove on the concave nut with the protrusion on the convex nut, inserting and matching the concave nut and the convex nut, and then rotating the fastening nut to enable the fastening nut to prop against the concave nut;
s5, after the truss girder and the H-shaped steel girder are connected stably, fixing a secondary keel on the truss girder, and enabling the secondary keel and the truss girder to be fixed in a crossed manner;
and S6, laying a panel on the truss girder and the secondary keel.
The invention has the beneficial effects that: the invention can be simultaneously provided with three floor bearing plates or even multiple floor bearing plates to realize staggered-floor alternate construction by being supported and connected on the H-shaped steel beam through the truss girder, thereby effectively solving the problem of long construction period caused by the layer-by-layer construction of the floor slab from bottom to top in the traditional method; in addition, the floor slab reverse supporting system has less investment at one time and good forming effect, and solves the problems of high investment, poor quality and high secondary treatment cost in the traditional method; the vertical column is arranged on the H-shaped steel beam, the concave nut is connected to the vertical column in a threaded mode, the sleeve is arranged on the lower side of the end portion of the truss girder, the convex nut is arranged at the lower end of the sleeve, and the reverse floor slab supporting system is convenient to install and connect through the insertion fit of the convex nut and the concave nut; the fastening nut is arranged on the lower side of the concave nut on the stand column, and the thread of the fastening nut is screwed to the opposite direction to the thread of the convex nut, so that when the fastening nut is screwed upwards, the convex nut is more and more tightly connected with the concave nut, and the effect of enabling the connection to be more stable is achieved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of example 1 of the present invention;
FIG. 2 is a schematic diagram of a partial enlarged structure of FIG. 1;
FIG. 3 is a second partial enlarged view of FIG. 1;
fig. 4 is a schematic structural view of an upright post and a first clamping member in embodiment 1 of the present invention;
fig. 5 is a schematic structural view of an upright post and a second clamping member in embodiment 1 of the present invention;
fig. 6 is a schematic structural view of a male nut according to embodiment 1 of the present invention;
fig. 7 is a schematic structural view of a female nut according to embodiment 1 of the present invention;
fig. 8 is a schematic view of a connection structure of a truss girder and a steel pipe bundle wall body according to embodiment 1 of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
As shown in fig. 1 to 8, a floor slab reverse supporting system based on a steel pipe bundle composite structure according to embodiment 1 of the present invention includes a truss girder 2, the truss girder 2 is connected to an H-shaped steel beam 3 through an adjustable supporting mechanism, the adjustable supporting mechanism is fixed to a lower flange of the H-shaped steel beam 3, and the truss girder 2 is supported through the adjustable supporting mechanism, so as to achieve the purpose of integrally supporting and arranging the floor slab reverse supporting system on the steel pipe concrete bundle composite structure, and avoid the problem that before floor slab reinforcing steel bars and concrete are subjected to an equal project operation, an independent supporting system must be arranged according to a span to support a floor slab, so that floor slab reinforcing steel bars and concrete must be constructed layer by layer from bottom to top in equal project construction, thereby resulting in a long construction period; three layers or even multiple layers can be simultaneously configured on the H-shaped steel beam 3 through the truss girder 2 in a supporting connection manner to realize staggered-layer alternate construction, and the problem of long construction period caused by layer-by-layer construction from bottom to top of the floor slab in the traditional method is effectively solved. In addition, the floor slab reverse supporting system is low in one-time investment and good in forming effect, and the problems of high investment, poor quality and high secondary treatment cost in the traditional method are solved.
Further, as shown in fig. 2, the adjustable supporting mechanism includes a column 5 disposed on the H-shaped steel beam 3 and a sleeve 9 connected to the truss beam 2, the column 5 is detachably connected to the sleeve 9 through a fastening assembly 8, and the sleeve 9 can be sleeved on the column 5, so as to facilitate installation and fixation of the slab reverse supporting system.
Further, as shown in fig. 6 and 7, the fastening assembly 8 includes a male nut 82 connected to the lower end of the sleeve 9 and a female nut 81 connected to the column 5, wherein a protrusion is provided on a side of the male nut 82 close to the female nut 81, i.e., a lower side of the male nut 82, and a groove engaged with the protrusion is provided on an upper side of the female nut 81. The male nut 82 and the female nut 81 are in plug fit through the matching of the protrusions and the grooves. The convex nuts 82 and the concave nuts 81 can bear the vertical load of the angle steel truss girder, and the load is transmitted to the H-shaped steel girder through the upright post 5, so that the load is transmitted to the whole concrete-filled steel tube bundle combined structure.
Specifically, as shown in fig. 2, 6 and 7, the female nut 81 includes a lower nut and an upper tray on which the recess is provided; the nut at the lower part is convenient for the threaded connection of the concave nut 81 and the upright post 5, and the position of the concave nut 81 on the upright post can be adjusted, so that the supporting height of the truss girder 2 on the H-shaped steel girder can be adjusted conveniently; in this embodiment, the convex nut 82 is in threaded connection with the sleeve 9, the position of the convex nut 82 in the sleeve 9 can be finely adjusted, the column 5 is also in threaded connection with a fastening nut, the fastening nut is located on one side of the concave nut 81 away from the convex nut 82, and the inner side of the fastening nut is provided with an internal thread which has the same direction as the inner side of the concave nut 81; the direction of the thread of the fastening nut and the column 5 is opposite to the direction of the thread of the male nut 82 and the sleeve 9, so that when the fastening nut is screwed upwards, the male nut 82 and the female nut 81 are connected more and more tightly, and the fastening effect is achieved.
Further, as shown in fig. 3 to 5, the upright post 5 is connected with the H-shaped steel beam 3 through a clamping connecting piece 7; chucking connecting piece 7 is including the first joint spare 71 and the second joint spare 72 of joint in H shaped steel 3 bottom flange both sides respectively, just first joint spare 71 and second joint spare 72 releasable connection. The first clamping piece 71 is provided with a first clamping groove for clamping the H-shaped steel beam, and the second clamping piece 72 is provided with a second clamping groove matched with the first clamping groove; a first through hole for the bolt to pass through is formed in the first clamping piece 71, a second through hole for the bolt to pass through is formed in the second clamping piece 72, and the second through hole corresponds to the first through hole; specifically, two parallel first horizontal plates are arranged at the lower side of the first clamping piece 71 at intervals, and the first through holes are transversely arranged on the two first horizontal plates in a penetrating manner and are perpendicular to the length direction of the first horizontal plates; the second joint spare 72 downside is equipped with and stretches into a second horizontal plate between two horizontal plates, and the second through-hole transversely link up the setting on this second horizontal plate and correspond with first through-hole. First joint spare 71 and second joint spare 72 are in when taking apart the state, block the both sides on H shaped steel roof beam lower flange respectively through first draw-in groove and second draw-in groove, make the second horizontal plate stretch into between two first horizontal plates and the second through-hole aligns with first through-hole, then are connected fixedly second joint spare 2 with first joint spare 1 with the bolt for stable connection is on H shaped steel roof beam, simple structure, and it is simple and convenient to connect, and stability is high moreover. In addition, the upright post 5 is fixed on the upper side of the first snap member 71 or the second snap member 72 through the bottom plate 51.
Further, as shown in fig. 1, a secondary keel 6 is arranged on the truss girder 2, and the secondary keel 6 is vertically crossed and fixed with the truss girder 2; and the truss girder 2 and the secondary keel 6 are paved with a panel 1.
In addition, as shown in fig. 8, a part of the truss girder 2 is also connected to the steel pipe bundle wall 4 through the adjustable support mechanism. Specifically, a method of arranging support angle steel on the steel pipe bundle wall 4, fixing a column 5 on the support angle steel, and arranging a fastening nut and a concave nut on the column 5 is adopted to connect part of the truss girder 2 with the steel pipe bundle wall 4.
The construction method of the floor slab reverse supporting system based on the steel pipe bundle composite structure comprises the following steps:
s1, manufacturing the truss girder 2, fixedly connecting a sleeve 9 with a vertically downward opening on the lower side of the end part of the truss girder 2, and sleeving the convex nut 82 at the lower end of the sleeve 9, wherein in the embodiment, the convex nut 82 is in threaded connection with the sleeve 9;
s2, connecting the upright post 5 to the H-shaped steel beam 3 through the clamping connecting piece 7, and sequentially connecting the fastening nut and the concave nut 81 to the upright post 5 in a threaded manner from bottom to top;
s3, sleeving the sleeve 9 on the upright post 5, and rotating the concave nut 81 to adjust to a proper height on the upright post 5;
s4, aligning the groove on the concave nut 81 with the protrusion on the convex nut 82, inserting and matching the concave nut 81 with the convex nut 82, and then rotating the fastening nut to enable the fastening nut to tightly push the concave nut 81 to play a role in fixing;
s5, after the truss girder 2 and the H-shaped steel girder 3 are connected stably, fixing a secondary joist 6 on the truss girder 2, and enabling the secondary joist 6 and the truss girder 2 to be vertically crossed and fixed;
and S6, laying the panel 1 on the truss girder 2 and the secondary keel 6.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. A floor slab reverse supporting system based on a steel pipe bundle composite structure is characterized by comprising a truss girder (2), wherein the truss girder (2) is connected with an H-shaped steel beam (3) through an adjustable supporting mechanism.
2. The steel pipe bundle-based composite structure floor slab reverse supporting system of claim 1, wherein the adjustable supporting mechanism comprises a column (5) arranged on the H-shaped steel beam (3) and a sleeve (9) connected to the truss beam (2), and the column (5) is detachably connected with the sleeve (9) through a fastening assembly (8).
3. The steel pipe bundle-based composite structure floor slab reverse supporting system of claim 2, wherein the fastening assembly (8) comprises a male nut (82) connected to the sleeve (9) and a female nut (81) connected to the upright post (5), the male nut (82) is in plug fit with the female nut (81); a protrusion is arranged on one side, close to the concave nut (81), of the convex nut (82), and a groove matched with the protrusion is arranged on the concave nut (81).
4. The steel pipe bundle-based composite structure floor slab reverse supporting system according to claim 3, wherein the concave nut (81) is in threaded connection with the column (5); the convex nut (82) is fixedly connected with the sleeve (9).
5. The steel tube bundle-based composite structure floor slab reverse supporting system according to claim 4, wherein a fastening nut is further connected to the column (5) in a threaded manner, and the fastening nut is located on one side of the concave nut (81) far away from the convex nut (82).
6. The steel pipe bundle-based composite structure floor slab reverse supporting system according to claim 3, wherein the concave nut (81) is in threaded connection with the column (5); the male nut (82) is in threaded connection with the sleeve (9).
7. The steel tube bundle-based composite structure floor slab reverse supporting system according to claim 6, wherein a fastening nut is further connected to the column (5) in a threaded manner, and the fastening nut is located on one side of the concave nut (81) far away from the convex nut (82); the thread direction of the fastening nut and the upright post (5) is opposite to the thread direction of the male nut (82) and the sleeve (9).
8. The steel pipe bundle-based composite structure floor slab reverse supporting system according to any one of claims 2 to 7, wherein the upright columns (5) are connected with the H-shaped steel beams (3) through clamping connecting pieces (7); chucking connecting piece (7) are including first joint spare (71) and second joint spare (72) of joint respectively in H shaped steel roof beam (3) bottom flange both sides, just first joint spare (71) and second joint spare (72) releasable connection.
9. The steel pipe bundle-based composite structure floor slab reverse supporting system according to claim 8, wherein the truss girder (2) is provided with a secondary joist (6), and the secondary joist (6) and the truss girder (2) are arranged in a crossing manner; and the truss girder (2) and/or the secondary keel (6) are/is paved with a panel (1).
10. The construction method of the steel pipe bundle-based composite structure floor slab reverse bracing system according to any one of claims 1 to 9, comprising the steps of:
s1, manufacturing the truss girder (2), fixedly connecting a sleeve (9) with a vertically downward opening on the lower side of the end part of the truss girder (2), sleeving a convex nut (82) at the lower end of the sleeve (9), and fixedly connecting or screwing the convex nut (82) with the sleeve (9);
s2, connecting the upright post (5) to the H-shaped steel beam (3) through the clamping connecting piece (7), and sequentially connecting the fastening nut and the concave nut (81) to the upright post (5) in a threaded manner;
s3, sleeving the sleeve (9) on the upright post (5), and rotating the concave nut (81) to a proper height;
s4, aligning the groove on the concave nut (81) with the protrusion on the convex nut (82), inserting and matching the concave nut (81) with the convex nut (82), and then rotating the fastening nut to enable the fastening nut to prop against the concave nut (81);
s5, after the truss girder (2) is stably connected with the H-shaped steel girder (3), arranging a secondary keel (6) on the truss girder (2), and enabling the secondary keel (6) and the truss girder (2) to be fixed in a crossed manner;
s6, laying the panel (1) on the truss girder (2) and the secondary keel (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110158801.0A CN112814384A (en) | 2021-02-05 | 2021-02-05 | Floor slab reverse supporting system based on steel pipe bundle combined structure and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110158801.0A CN112814384A (en) | 2021-02-05 | 2021-02-05 | Floor slab reverse supporting system based on steel pipe bundle combined structure and construction method |
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| CN112814384A true CN112814384A (en) | 2021-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110158801.0A Pending CN112814384A (en) | 2021-02-05 | 2021-02-05 | Floor slab reverse supporting system based on steel pipe bundle combined structure and construction method |
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| CN (1) | CN112814384A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114592633A (en) * | 2022-03-17 | 2022-06-07 | 中国十七冶集团有限公司 | European style truss integral structure system installation structure and European style truss system installation method |
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| JP2012167442A (en) * | 2011-02-10 | 2012-09-06 | Shimizu Corp | Support, and construction method for concrete-based structure |
| CN205224649U (en) * | 2015-12-09 | 2016-05-11 | 山西四建集团有限公司 | Liftable formula composite floor slab support system |
| CN208123221U (en) * | 2018-04-27 | 2018-11-20 | 湘潭电机股份有限公司 | It is a kind of to determine torque anti-loosening locking bolt group |
| CN210195269U (en) * | 2019-06-25 | 2020-03-27 | 安徽富煌建筑设计研究有限公司 | A no pole setting braced system for assembled steel construction building superimposed sheet floor |
| CN111502253A (en) * | 2019-01-30 | 2020-08-07 | 河南天丰绿色装配集团有限公司 | Jacking type formwork-supporting-free system for beam-concentrating system steel structure building floor and construction method |
-
2021
- 2021-02-05 CN CN202110158801.0A patent/CN112814384A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012167442A (en) * | 2011-02-10 | 2012-09-06 | Shimizu Corp | Support, and construction method for concrete-based structure |
| CN205224649U (en) * | 2015-12-09 | 2016-05-11 | 山西四建集团有限公司 | Liftable formula composite floor slab support system |
| CN208123221U (en) * | 2018-04-27 | 2018-11-20 | 湘潭电机股份有限公司 | It is a kind of to determine torque anti-loosening locking bolt group |
| CN111502253A (en) * | 2019-01-30 | 2020-08-07 | 河南天丰绿色装配集团有限公司 | Jacking type formwork-supporting-free system for beam-concentrating system steel structure building floor and construction method |
| CN210195269U (en) * | 2019-06-25 | 2020-03-27 | 安徽富煌建筑设计研究有限公司 | A no pole setting braced system for assembled steel construction building superimposed sheet floor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114592633A (en) * | 2022-03-17 | 2022-06-07 | 中国十七冶集团有限公司 | European style truss integral structure system installation structure and European style truss system installation method |
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Application publication date: 20210518 |