CN111042508A - High-altitude overlong cantilever support member and construction method thereof - Google Patents
High-altitude overlong cantilever support member and construction method thereof Download PDFInfo
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- CN111042508A CN111042508A CN201911202827.XA CN201911202827A CN111042508A CN 111042508 A CN111042508 A CN 111042508A CN 201911202827 A CN201911202827 A CN 201911202827A CN 111042508 A CN111042508 A CN 111042508A
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- 238000010276 construction Methods 0.000 title claims abstract description 25
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 42
- 239000010959 steel Substances 0.000 claims abstract description 42
- 238000005452 bending Methods 0.000 claims abstract description 4
- 238000003466 welding Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 claims description 5
- 239000002023 wood Substances 0.000 claims description 2
- 239000000725 suspension Substances 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 description 7
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 4
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009432 framing Methods 0.000 description 1
- 210000003205 muscle Anatomy 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
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
- E04G3/18—Scaffolds essentially supported by building constructions, e.g. adjustable in height supported by cantilevers or other provisions mounted in openings in the building, e.g. window openings
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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
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
- E04G3/22—Scaffolds essentially supported by building constructions, e.g. adjustable in height supported by roofs or ceilings
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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
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/16—Struts or stiffening rods, e.g. diagonal rods
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Abstract
The invention provides a high-altitude overlong suspension beam supporting member and a construction method thereof, wherein the high-altitude overlong suspension beam supporting member is pre-installed on a floor slab of a building and comprises a plurality of cross beams, a plurality of inclined struts and a plurality of connecting beams which are arranged in parallel, wherein each cross beam corresponds to each inclined strut one by one; each beam is divided into a first part and a second part, the first part is fixed on the nth floor of a building through a U-shaped hoop and is parallel to the floor, the structure of the U-shaped hoop is formed by bending a steel bar with threads at two ends into a U shape, and the second part extends out of the side edge of the floor; the top end of each inclined strut is fixedly connected to the second part, the bottom end of each inclined strut is fixedly connected to the (n-1) th floor slab, and the middles of the plurality of inclined struts are connected into a whole through connecting rods; and the connecting beams are fixedly connected to the cross beam and are perpendicular to the cross beam, so that the cross beam is connected into a whole. The high-altitude overlong cantilever beam supporting member saves steel and is firm in supporting.
Description
Technical Field
The invention relates to a high-altitude ultra-long cantilever beam supporting member and a construction method thereof, belonging to the technical field of buildings.
Background
The key point of the super-long overhang at high altitude is to solve the problem of erection of the supporting scaffold measures, and the floor type full framing scaffold measures adopted in the prior art are taken as a supporting system, so that the following defects exist: a large amount of scaffold steel pipes, fasteners, jacking and the like are needed, a large amount of steel pipe resources are consumed, the management difficulty of turnover materials is increased day by day, and the cost and pressure are increased suddenly; meanwhile, an external scaffold is erected from the ground, the erected height is ultrahigh, the instable factors of the scaffold are many, the stability of the scaffold body cannot be guaranteed, the safety of the cantilever construction cannot be guaranteed, and the method is extremely inconvenient; due to the fact that the quality of operators is uneven, the height of the built inner frame is high, the quality of the built inner frame is difficult to control on site, and the construction period is long.
Disclosure of Invention
The invention provides a high-altitude overlong cantilever beam supporting member and a construction method thereof, which can effectively solve the problems.
The invention is realized by the following steps:
the invention provides a high-altitude ultra-long cantilever beam supporting member which is pre-installed on a floor slab of a building and is characterized in that: the device comprises a plurality of cross beams, a plurality of inclined struts and a plurality of connecting beams which are arranged in parallel, wherein each cross beam corresponds to each inclined strut one by one; each beam is divided into a first part and a second part, the first part is fixed on the nth floor of a building through a U-shaped hoop and is parallel to the floor, the structure of the U-shaped hoop is formed by bending reinforcing steel bars with threads at two ends into a U shape, the reinforcing steel bars in the floor penetrate through the bottom of a U-shaped groove of the U-shaped hoop, the second part extends out of the side edge of the floor, and a gap between the U-shaped hoop and the beam is tightly plugged by a wood wedge; the top end of each inclined strut is fixedly connected to the second part, the bottom end of each inclined strut is fixedly connected to the (n-1) th floor slab, and the middles of the plurality of inclined struts are connected into a whole through connecting rods; the connecting beams are fixedly connected to the cross beam and are perpendicular to the cross beam, so that the cross beam is connected into a whole, the cross beam is provided with support rods which correspond to the connecting beams one by one, the upper ends of the support rods are provided with support springs, and the lower ends of the support rods are provided with support columns; the cross beam, the inclined strut, the connecting beam and the connecting rod are all made of I-shaped steel.
As a further refinement, the length of the first section is greater than the length of the second section.
As a further refinement, the ratio of the length of the first portion to the length of the second portion is 2-1.2: 1.
As a further improvement, the fixing piece is a U-shaped hoop, and the U-shaped hoop is provided with 3-5 sleeves.
As a further improvement, a protective joint for preventing the inclined strut from slipping is arranged at the joint where the top end of the inclined strut is fixedly connected to the cross beam.
As a further improvement, a steel plate is pre-embedded at the fixed position of the bottom end of the diagonal brace of the (n-1) th floor slab, the steel plate is fixed on the floor slab through a screw, the bottom end of the diagonal brace is fixedly connected on the steel plate, and the connecting beam is fixedly connected at the joint of the cross beam and provided with a positioning rib.
As a further improvement, the I-steel of the cross beam and the inclined strut is 22# B I-steel, and the I-steel of the connecting beam and the connecting rod is 12# I-steel.
As a further improvement, the included angle between the inclined strut and the horizontal plane is 45-70 degrees.
The invention also provides a construction method of the high-altitude overlong cantilever beam supporting member, which comprises the following steps:
s1: the method comprises the following steps of erecting an external frame, wherein the external frame comprises a vertical frame erected on the ground and an inclined frame arranged on the vertical frame, the vertical frame is erected on the ground together with steel at the position where a cantilever beam needs to be erected, then the inclined frame is erected on the outer side of the vertical frame, the vertical frame and the inclined frame are connected through a fastener, finally a pull rod is installed to fix the external frame on a wall body of a building, one end of the pull rod is fixedly connected to the external frame, and the other end of the pull rod is connected to the wall body of the building;
s2: fixing first parts of a plurality of cross beams on a floor slab on the nth layer through U-shaped hoops, extending second parts of the cross beams out of the floor slab, arranging the cross beams in parallel, vertically welding a plurality of connecting beams and the cross beams on the cross beams, and forming a whole by the cross beams and the connecting beams;
s3: a constructor stands on the floor of the (n-1) th floor, pulls the inclined strut through a pulley arranged on the floor of the (n) th floor and a pull rope wound on the pulley, stands on the outer frame, welds the bottom end of the inclined strut on the floor of the (n-1) th floor, welds the top end of the inclined strut on the cross beam, and installs a plurality of inclined struts in one-to-one correspondence with the cross beam installed in the step S2 in the same method; and vertically welding a plurality of connecting rods and a plurality of inclined struts on the inclined struts, wherein the plurality of inclined struts and the plurality of connecting rods form a whole.
S4: the construction method comprises the following steps that the cantilever beam is constructed on the cross beam, a support rod is arranged between the cantilever beam and the cross beam to support the cantilever beam, and the support rod corresponds to the connecting beam one to one.
S5: after the construction of the cantilever beam is completed, the connecting rod and the inclined strut are firstly disassembled, then the connecting beam and the cross beam are disassembled, and finally the outer frame is disassembled.
As a further improvement, in step S, a positioning rib is welded at a joint where the coupling beam is fixedly connected to the cross beam, and in step S3, a protective joint for preventing the diagonal brace from slipping off is welded at a joint where the top end of the diagonal brace is fixedly connected to the cross beam.
The invention has the beneficial effects that:
the high-altitude ultra-long cantilever supporting member can realize firm support of high-altitude ultra-long cantilever only by simple structures such as the cross beam, the inclined strut, the connecting beam and the like, does not need a large number of scaffold steel pipes, fasteners, jacking supports and the like, saves steel pipe resources and has low cost.
The first part is fixed on a first floor slab of a building through a fixing piece and is parallel to the floor slab, the supporting force of the floor slab is transferred to the cross beam, meanwhile, the middle parts of the plurality of inclined struts are connected into a whole through connecting rods, and the plurality of connecting beams are fixedly connected onto the cross beam and are perpendicular to the cross beam, so that the cross beam is connected into a whole to form firm support as a whole, the supporting stability is high, and the construction safety of cantilever is guaranteed.
The high-altitude overlong suspension beam supporting member has the advantages of simple structure and convenience in erection, and can realize the control of the erection quality on site even if the quality of operators is uneven, and the construction is rapid.
The construction method of the high-altitude overlong cantilever beam supporting member only needs to set up the temporary outer frame as assistance, does not need to set up a large number of floor scaffold, saves steel, and is simple and rapid in construction.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural view of the high-altitude overlong cantilever beam supporting member of the invention.
Fig. 2 is a schematic view of a U-shaped hoop structure in the high-altitude overlong cantilever beam supporting member of the invention.
FIG. 3 is a schematic view of a construction method of the high-altitude ultra-long cantilever beam supporting member of the invention.
Reference numerals:
cantilever beam 0, floor 1, crossbeam 2, first part 21, second part 22, bracing 3, coupling beam 4, U type hoop 5, connecting rod 6, protection joint 7, steel sheet 8, location muscle 9, reinforcing bar 10, wooden wedge 11, baffle 12, outrigger 13, erects 131, sloping 132, pull rod 14, pulley 15, stay cord 16, vaulting pole 17, supporting spring 171, the lower extreme is support column 172.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1, the invention provides a high-altitude ultra-long cantilever beam support member, which is pre-installed on a floor slab 1 of a building, and comprises a plurality of cross beams 2, a plurality of inclined struts 3 and a plurality of connecting beams 4, wherein the cross beams 2 and the inclined struts 3 are arranged in parallel, and each cross beam 2 corresponds to each inclined strut 3 one by one; each beam 2 is divided into a first part 21 and a second part 22, the first part 21 is fixed on the nth floor 1 of the building through a U-shaped hoop 5 and is parallel to the floor 1, and the second part 22 extends out of the side edge of the floor 1; the top end of each inclined strut 3 is fixedly connected to the second part 22, the bottom end of each inclined strut is fixedly connected to the (n-1) th floor slab 1, and the middles of the plurality of inclined struts 3 are connected into a whole through connecting rods 6; the connecting beams 4 are fixedly connected to the cross beam 2 and are perpendicular to the cross beam 2, so that the cross beam 2 is connected into a whole. The beam 2 is provided with support rods 17 corresponding to the connecting beams one to one, the upper ends of the support rods 17 are provided with support springs 171, and the lower ends of the support rods are provided with support columns 172. The length of crossbeam 2 is 12 meters, and the interval is 1 meter, the quantity of crossbeam 2 and bracing 3 can be set up according to the width of the cantilever beam of needs construction. As a whole, form firm support, support stability is high, and the construction safety of encorbelmenting obtains guaranteeing.
The length of the first part 21 is longer than that of the second part 22, so that the second part 22 of the extended floor slab 1 is stressed by the cantilever beam 0 to be smaller than the first part 21, the cantilever beam cannot fall off, and the support is firmer. Preferably, the ratio of the length 21 of the first portion to the length of the second portion 22 is 2-1.2: 1.
3-5 sets of U-shaped hoops are arranged on the U-shaped hoops 5, the quantity of the U-shaped hoops is required to meet the stress requirement of the cross beam 2, and the rigidity of the U-shaped hoops can be strengthened according to the actual situation. The plurality of sets of U-shaped hoops 5 enable the beam 2 to be fixed more firmly, and the safety is improved.
The cross beam 2, the inclined strut 3, the connecting beam 4 and the connecting rod 6 are all made of I-steel. The I-steel of the cross beam 2 and the inclined strut 3 is 22# B I-steel, and the I-steel of the connecting beam 4 and the connecting rod 6 is 12# I-steel. The I-shaped steel has high strength and is more energy-saving than solid steel.
As shown in fig. 2, the structure of the U-shaped hoop 5 is formed by bending a reinforcing steel bar with threads at two ends into a U shape, the bottom of the U shape is embedded into the concrete of the floor slab 1, the reinforcing steel bar 10 in the floor slab 1 runs through the bottom of the U-shaped groove of the U-shaped hoop 5 to prevent the U-shaped hoop from falling off, the i-shaped beam 2 is clamped in the U-shaped groove, and then a baffle 12 is added to press the i-shaped beam 2, the threads at two ends of the structure of the U-shaped hoop 5 are fixed by threads, and the inner cavity of the i-shaped beam 2 at the U-shaped hoop 5 is tightly plugged by a wooden wedge 11 to enhance the firmness.
The top end of the inclined strut 3 is fixedly connected with a joint on the cross beam 2, and a protective joint 7 for preventing the inclined strut 3 from slipping is arranged at the joint, so that the firmness is further enhanced. The diagonal brace 3 may be added at a position where the cantilever load is large, as necessary. The connecting beam 4 can be additionally arranged according to the stress condition.
The fixing part of the bottom end of the inclined strut 3 of the (n-1) th layer plate is pre-embedded with a steel plate 8, the steel plate 8 is fixed on the floor slab 1 through screws, the bottom end of the inclined strut 3 is welded on the steel plate 8, and the connecting beam 4 is fixedly connected with the connecting part of the cross beam and provided with a positioning rib 9, so that the connecting beam 4 is prevented from sliding, and the firmness is enhanced.
The included angle between the inclined strut 3 and the horizontal plane is 45-70 degrees, and the inclined strut 3 can form enough support for the cross beam 2 in the angle range.
The high-altitude overlong cantilever supporting member can realize firm support of high-altitude overlong cantilever only by simple structures of the cross beam 2, the inclined strut 3, the connecting beam 4 and the like, does not need a large number of scaffold steel pipes, fasteners, jacking supports and the like, saves steel pipe resources and has low cost. After constructors put up the high-altitude ultra-long cantilever beam supporting member, the cantilever beam 0 can be constructed and manufactured on the cross beam.
The construction method of the high-altitude overlong cantilever beam supporting member comprises the following steps of:
s1: erecting an external frame 13, wherein the external frame 13 comprises a vertical frame 131 erected on the ground and an inclined frame 132 arranged on the vertical frame, the vertical frame 131 is erected on the ground together with steel materials at the position where the cantilever beam 0 needs to be erected, then the inclined frame 132 is erected on the outer side of the vertical frame 131, the vertical frame 131 and the inclined frame 132 are connected through a fastener, finally, a pull rod 14 is installed to fix the external frame 13 on the wall of a building, one end of the pull rod 14 is fixedly connected to the external frame 13, and the other end of the pull rod 14 is connected to the wall of the building;
s2: fixing a first part 21 of a plurality of cross beams 2 on a floor slab 1 on the nth layer through a U-shaped hoop 5, extending a second part 22 of the plurality of cross beams 2 out of the floor slab 1, arranging the plurality of cross beams 2 in parallel, welding a plurality of connecting beams 4 and the cross beams 2 on the cross beams 2 vertically, and forming a whole by the plurality of cross beams 2 and the plurality of connecting beams 4;
s3: one constructor stands on the floor 1 of the (n-1) th floor, pulls the inclined strut 3 through a pulley 15 arranged on the floor of the (n) th floor and a pull rope 16 wound on the pulley 15, and the other constructor stands on the outer frame 13, welds the bottom end of the inclined strut 3 on the floor of the (n-1) th floor, welds the top end of the inclined strut on the cross beam, and installs a plurality of inclined struts 3 in the same way to correspond to the cross beams 2 installed in the step S2 one by one; and a plurality of connecting rods 6 and a plurality of inclined struts 3 are vertically welded on the inclined struts 3, and the plurality of inclined struts 3 and the plurality of connecting rods 6 form a whole.
S4: the construction method comprises the steps that the cantilever beam 0 is constructed on the cross beam, a support rod 17 is arranged between the cantilever beam 0 and the cross beam 2 to support the cantilever beam 0, and the support rod 17 corresponds to the connecting beam 4 one to one. The upper end of vaulting pole 17 is supporting spring, and the lower extreme is the support column, supporting spring can play absorbing effect, prevents the crossbeam is too big and the fracture because vibrate, further improves fastness and security.
S5: after the construction of the cantilever beam 0 is completed, the connecting rod 6 and the inclined strut 3 are firstly disassembled, then the connecting beam 4 and the cross beam 2 are disassembled, and finally the outer frame 13 is disassembled.
Only the temporary outer frame 13 is needed to be erected as an assistant, a large number of floor scaffold do not need to be erected, steel is saved, and construction is simple and rapid.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a high altitude overlength cantilever beam supporting member, installs in advance on the floor of building which characterized in that: the device comprises a plurality of cross beams, a plurality of inclined struts and a plurality of connecting beams which are arranged in parallel, wherein each cross beam corresponds to each inclined strut one by one; each beam is divided into a first part and a second part, the first part is fixed on the nth floor of a building through a U-shaped hoop and is parallel to the floor, the structure of the U-shaped hoop is formed by bending a steel bar with threads at two ends into a U shape, the steel bar in the floor penetrates through the bottom of a U-shaped groove of the U-shaped hoop, the second part extends out of the side edge of the floor, and a gap between the U-shaped hoop and the beam is tightly plugged by a wood wedge; the top end of each inclined strut is fixedly connected to the second part, the bottom end of each inclined strut is fixedly connected to the (n-1) th floor slab, and the middles of the plurality of inclined struts are connected into a whole through connecting rods; the connecting beams are fixedly connected to the cross beam and are perpendicular to the cross beam, so that the cross beam is connected into a whole; the cross beam is provided with support rods which correspond to the connecting beams one by one, the upper ends of the support rods are provided with support springs, and the lower ends of the support rods are provided with support columns; the cross beam, the inclined strut, the connecting beam and the connecting rod are all made of I-shaped steel.
2. The overhead superlong cantilever support member of claim 1, wherein the length of the first portion is greater than the length of the second portion.
3. The overhead superlong cantilever beam support member of claim 2, wherein: the ratio of the length of the first portion to the length of the second portion is 2-1.2: 1.
4. The overhead superlong cantilever beam support member of claim 1, wherein: the fixing piece is a U-shaped hoop, and the U-shaped hoop is provided with 3-5 sets.
5. The overhead superlong cantilever beam support member of claim 1, wherein: the top end of the inclined strut is fixedly connected with a joint on the cross beam, and a protective joint for preventing the inclined strut from slipping is arranged at the joint.
6. The overhead superlong cantilever beam support member of claim 1, wherein: the steel plate is pre-buried in the fixed position of the bottom end of the inclined strut of the second floor, the steel plate is fixed on the floor through screws, the bottom end of the inclined strut is fixedly connected to the steel plate, and the connecting beam is fixedly connected to the connecting position of the cross beam and provided with positioning ribs.
7. The overhead superlong cantilever beam support member of claim 1, wherein: the I-steel of crossbeam with the bracing is 22# B I-steel, the I-steel of even roof beam with the connecting rod is 12# I-steel.
8. The overhead superlong cantilever beam support member of claim 1, wherein: the included angle between the inclined strut and the horizontal plane is 45-70 degrees.
9. A construction method of the high-altitude ultra-long cantilever beam supporting member as claimed in any one of claims 1 to 8, comprising the steps of:
s1: the method comprises the following steps of erecting an external frame, wherein the external frame comprises a vertical frame erected on the ground and an inclined frame arranged on the vertical frame, the vertical frame is erected on the ground together with steel at the position where a cantilever beam needs to be erected, then the inclined frame is erected on the outer side of the vertical frame, the vertical frame and the inclined frame are connected through a fastener, finally a pull rod is installed to fix the external frame on a wall body of a building, one end of the pull rod is fixedly connected to the external frame, and the other end of the pull rod is connected to the wall body of the building;
s2: fixing first parts of a plurality of cross beams on a floor slab on the nth layer through U-shaped hoops, extending second parts of the cross beams out of the floor slab, arranging the cross beams in parallel, vertically welding a plurality of connecting beams and the cross beams on the cross beams, and forming a whole by the cross beams and the connecting beams;
s3: a constructor stands on the floor of the (n-1) th floor, pulls the inclined strut through a pulley arranged on the floor of the (n) th floor and a pull rope wound on the pulley, stands on the outer frame, welds the bottom end of the inclined strut on the floor of the (n-1) th floor, welds the top end of the inclined strut on the cross beam, and installs a plurality of inclined struts in one-to-one correspondence with the cross beam installed in the step S2 in the same method; and vertically welding a plurality of connecting rods and a plurality of inclined struts on the inclined struts, wherein the plurality of inclined struts and the plurality of connecting rods form a whole.
S4: the construction method comprises the following steps that the cantilever beam is constructed on the cross beam, a support rod is arranged between the cantilever beam and the cross beam to support the cantilever beam, and the support rod corresponds to the connecting beam one to one.
S5: after the construction of the cantilever beam is completed, the connecting rod and the inclined strut are firstly disassembled, then the connecting beam and the cross beam are disassembled, and finally the outer frame is disassembled.
10. The construction method of the high-altitude overlong cantilever beam supporting member according to claim 9, wherein: and step S, welding a positioning rib at the joint of the connecting beam fixedly connected to the cross beam, and step S3, welding a protective joint at the joint of the top end of the inclined strut fixedly connected to the cross beam for preventing the inclined strut from slipping.
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| CN201911202827.XA CN111042508A (en) | 2019-11-29 | 2019-11-29 | High-altitude overlong cantilever support member and construction method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116163508A (en) * | 2023-02-03 | 2023-05-26 | 中国核工业中原建设有限公司 | Lower support system for tensioning conversion and construction method thereof |
| CN118774253A (en) * | 2024-09-10 | 2024-10-15 | 上海建工四建集团有限公司 | A support structure for construction of a multi-tower connected structure and its implementation method |
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| CN118774253A (en) * | 2024-09-10 | 2024-10-15 | 上海建工四建集团有限公司 | A support structure for construction of a multi-tower connected structure and its implementation method |
| CN118774253B (en) * | 2024-09-10 | 2024-11-26 | 上海建工四建集团有限公司 | A support structure for construction of a multi-tower connected structure and its implementation method |
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Application publication date: 20200421 |