CN110905220A - Installation and construction method of anti-buckling energy dissipation brace of reinforced concrete structure - Google Patents
Installation and construction method of anti-buckling energy dissipation brace of reinforced concrete structure Download PDFInfo
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- CN110905220A CN110905220A CN201911297304.8A CN201911297304A CN110905220A CN 110905220 A CN110905220 A CN 110905220A CN 201911297304 A CN201911297304 A CN 201911297304A CN 110905220 A CN110905220 A CN 110905220A
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- 238000009434 installation Methods 0.000 title claims abstract description 27
- 230000021715 photosynthesis, light harvesting Effects 0.000 title claims abstract description 17
- 238000010276 construction Methods 0.000 title claims abstract description 15
- 239000011150 reinforced concrete Substances 0.000 title claims abstract description 14
- 238000003466 welding Methods 0.000 claims abstract description 64
- 239000004567 concrete Substances 0.000 claims abstract description 21
- 238000002360 preparation method Methods 0.000 claims abstract description 10
- 239000004035 construction material Substances 0.000 claims abstract description 8
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 7
- 239000010959 steel Substances 0.000 claims abstract description 7
- 238000007689 inspection Methods 0.000 claims abstract description 4
- 230000000149 penetrating effect Effects 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 8
- 244000025254 Cannabis sativa Species 0.000 claims description 6
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 claims description 6
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 claims description 6
- 235000009120 camo Nutrition 0.000 claims description 6
- 235000005607 chanvre indien Nutrition 0.000 claims description 6
- 239000011487 hemp Substances 0.000 claims description 6
- 230000002787 reinforcement Effects 0.000 claims description 6
- 206010028980 Neoplasm Diseases 0.000 claims description 3
- 230000007547 defect Effects 0.000 claims description 3
- 230000004927 fusion Effects 0.000 claims description 3
- 230000035515 penetration Effects 0.000 claims description 3
- 239000002893 slag Substances 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000035939 shock Effects 0.000 abstract description 2
- 230000007306 turnover Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 7
- 238000005266 casting Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000002699 waste material Substances 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
- E04G21/14—Conveying or assembling building elements
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
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- Structural Engineering (AREA)
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- Electromagnetism (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention discloses a mounting construction method of a buckling-restrained energy-dissipation brace of a reinforced concrete structure, which comprises the steps of preparation of construction materials, mounting of embedded parts, hoisting of the buckling-restrained brace, welding, inspection, acceptance and the like which are sequentially carried out; the preparation of the construction material comprises the preparation of a lower embedded part, an upper embedded part, a lower jig frame, an upper jig frame, a buckling support and a hanging seat, wherein the lower jig frame and the upper jig frame are made of channel steel; the installation of the embedded part comprises the installation of a lower embedded part and the installation of an upper embedded part, and the invention has the following beneficial effects: the bed frame is used for replacing a buckling support to fixedly connect the embedded parts before concrete pouring, so that the relative positions of the embedded parts are accurate, and the bed frame can be disassembled for turnover use after the concrete pouring is finished; the shock resistance of the concrete structure is obviously improved by effectively utilizing the performance of steel; the construction and installation are simple and convenient, the performance is reliable, and the influence on the construction of a concrete structure is small; the buckling support is replaceable, and the maintenance is simple and environment-friendly.
Description
Technical Field
The invention relates to the technical field of a method for installing a buckling-restrained brace, in particular to a method for installing and constructing a buckling-restrained energy-dissipation brace of a reinforced concrete structure.
Background
Compared with the traditional supporting member, the buckling-restrained energy-dissipation brace has more stable mechanical properties, can yield without buckling when being pulled and pressed, has the characteristics of high strength and high ductility and difficult yielding, and can exert good hysteretic energy-dissipation capability of steel, so that the buckling-restrained energy-dissipation brace has the advantages of a central brace and hysteretic energy-dissipation elements and has good application value.
Disclosure of Invention
In order to solve the problems, the invention provides a mounting construction method of a reinforced concrete structure buckling-restrained energy-dissipation brace, which is realized by the following technical scheme.
A method for installing and constructing a buckling-restrained energy-dissipation brace of a reinforced concrete structure comprises the steps of sequentially preparing construction materials, installing embedded parts, hoisting buckling braces, welding, inspecting, checking and accepting and the like;
the preparation of the construction material comprises the preparation of a lower embedded part, an upper embedded part, a lower jig frame, an upper jig frame, a buckling support and a hanging seat, wherein the lower jig frame and the upper jig frame are made of channel steel;
the installation of the embedded part comprises lower embedded part installation and upper embedded part installation.
Furthermore, the lower embedded part comprises a first pouring seat and a first welding seat, wherein the first pouring seat is vertically and fixedly connected with the first pouring seat, and the first pouring seat is densely provided with reinforcement penetrating holes; the upper embedded part comprises a second pouring seat and a second welding seat symmetrically and fixedly connected to the lower surface of the second pouring seat; four lifting lugs are welded on the upper surface of the buckling support in a rectangular mode; the lifting seat comprises a fixed plate and a lifting plate which are fixedly connected with each other, the lifting plate and the fixed plate are arranged in a T shape, and a lifting hole is formed in the lifting plate.
Further, the lower embedded part installation comprises the following steps:
s1: aligning the rib penetrating holes of the lower embedded parts with main ribs on the base beam, and penetrating the lower embedded parts downwards, wherein the number of the lower embedded parts is two;
s2: adjusting the elevation of a stirrup at the lower end of the lower embedded part, binding the stirrup with a main reinforcement, and then clamping a stud of the lower embedded part on the stirrup;
s3: adjusting the axis to tie the lower end of the lower embedded part on the main rib by using a fire wire, and then adjusting the verticality of the lower embedded part;
s4: and fixing two ends of the lower jig frame between the two lower embedded parts through bolts, welding the lower embedded parts with the main ribs, pouring the concrete column, and dismantling the lower jig frame after the concrete column is solidified.
Further, the upper embedded part mounting comprises the following steps:
s1: fixing upper jig frames at two ends of the upper embedded part through bolts, integrally hoisting the upper jig frames and the upper embedded part in place, and then fixedly connecting the lower ends of the two upper jig frames with one lower embedded part through bolts respectively;
s2: and (4) pouring the top beam, and dismantling the upper jig frame after the top beam is poured.
Further, the hoisting buckling support comprises the following steps:
s1: firstly, fixedly connecting a hanging seat on two sides of an upper embedded part through bolts, and winding hemp ropes on a concrete column to be used as a chain block hook;
s2: the buckling support is placed on the square timber, then the buckling support is hoisted through the hoisting seat and the hemp rope, and the buckling support is hoisted in place.
Further, the welding is to buckle the support and weld between the first welding seat and the second welding seat of homonymy, and the welding adopts the full penetration groove form of welding rod manual arc welding, and the welding rod adopts E50 series welding rod, and the job site is equipped with the welding rod stoving case, and the welding rod needs to bake before using.
Further, the inspection and acceptance is to inspect the welding seam, and the qualified standard of the welding seam is as follows: the surface has no defects of cracks, incomplete welding, incomplete fusion, air hole slag welding, tumor and the like, the undercut depth of the welding line is not more than 0.5mm, the total length of undercuts at two sides is not more than 10 percent of the total length of the welding line and not more than 25mm, and the misalignment amount of the welding line is not more than 10 percent of the plate thickness and not more than 2 mm.
The invention has the following beneficial effects:
1. the bed frame is used for replacing a buckling support to fixedly connect the embedded parts before concrete pouring, so that the relative positions of the embedded parts are accurate, and the bed frame can be disassembled for turnover use after the concrete pouring is finished;
2. the shock resistance of the concrete structure is obviously improved by effectively utilizing the performance of steel;
3. the construction and installation are simple and convenient, the performance is reliable, and the influence on the construction of a concrete structure is small;
4. the buckling support is replaceable, and the maintenance is simple and environment-friendly.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without inventive labor.
FIG. 1: the invention discloses a structural schematic diagram of a lower embedded part;
FIG. 2: the upper embedded part is a schematic structural diagram;
FIG. 3: the invention discloses a structural schematic diagram of a hanging seat;
FIG. 4: the invention discloses a structural schematic diagram of a buckling support;
FIG. 5: the invention discloses an installation schematic diagram of a lower embedded part;
FIG. 6: the invention discloses a schematic installation diagram of an upper embedded part;
FIG. 7: the buckling support hoisting and laying schematic diagram is shown;
FIG. 8: the buckling support is hoisted in place schematically.
The reference numbers are as follows:
1-lower embedded part, 101-first pouring seat, 102-first welding seat, 103-bar penetrating hole, 2-upper embedded part, 201-second pouring seat, 202-second welding seat, 3-lower moulding bed, 4-upper moulding bed, 5-buckling support, 501-lifting lug, 6-lifting seat, 601-fixing plate, 602-lifting plate and 603-lifting hole.
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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-8, a method for installing and constructing a buckling restrained brace of a reinforced concrete structure comprises the steps of sequentially preparing construction materials, installing embedded parts, hoisting the buckling restrained brace, welding, checking, accepting and the like;
the preparation of the construction material comprises the preparation of a lower embedded part 1, an upper embedded part 2, a lower tire frame 3, an upper tire frame 4, a buckling support 5 and a hanging seat 6, wherein the lower tire frame 3 and the upper tire frame 4 are made of channel steel;
the installation of the embedded part comprises lower embedded part installation and upper embedded part installation.
Preferably, the lower embedded part 1 comprises a first casting seat 101 and a first welding seat 102, wherein the first casting seat 101 is fixedly connected with the first casting seat 101 in a mutually perpendicular manner, and the first casting seat 101 is densely provided with reinforcement penetrating holes 103; the upper embedded part 2 comprises a second pouring seat 201 and a second welding seat 202 symmetrically fixedly connected to the lower surface of the second pouring seat 201; four lifting lugs 501 are welded on the upper surface of the buckling support 5 in a rectangular manner; the hanging seat 6 comprises a fixed plate 601 and a hanging plate 602 which are fixedly connected with each other, the hanging plate 602 and the fixed plate 601 are arranged in a T shape, and a hanging hole 603 is formed in the hanging plate 602.
Preferably, the lower insert mounting comprises the steps of:
s1: aligning the bar penetrating holes 103 of the lower embedded parts 1 with main bars on the base beam, and penetrating the lower embedded parts 1 downwards, wherein the number of the lower embedded parts 1 is two;
s2: the elevation of a stirrup at the lower end of the lower embedded part 1 is adjusted, the stirrup is bound with a main reinforcement, and then a lower buying part stud is clamped on the stirrup;
s3: adjusting the axis to tie the lower end of the lower embedded part 1 on the main rib by using a fire wire, and then adjusting the verticality of the lower embedded part 1;
s4: fixing two ends of a lower jig frame 3 between two lower embedded parts 1 through bolts, welding the lower embedded parts 1 with main ribs, pouring a concrete column, and dismantling the lower jig frame 3 after the concrete column is solidified.
Preferably, the upper embedded part mounting comprises the following steps:
s1: fixing upper jig frames 4 at two ends of the upper embedded part 2 through bolts, integrally hoisting the upper jig frames 4 and the upper embedded part 2 in place, and then fixedly connecting the lower ends of the two upper jig frames 4 with one lower embedded part 1 through bolts respectively;
s2: and (4) pouring the top beam, and removing the upper jig frame 4 after the top beam is poured.
Preferably, hoisting the buckling restrained brace comprises the following steps:
s1: firstly, fixedly connecting a hanging seat 6 on two sides of an upper embedded part 2 through bolts, and winding hemp ropes on a concrete column to be used as a chain block hook;
s2: the buckling restrained brace 5 is placed on the square timber, then the buckling restrained brace 5 is hoisted through the hoisting seat 6 and the hemp ropes, and the buckling restrained brace 5 is hoisted in place.
Preferably, the welding is to weld the buckling restrained brace 5 between the first welding seat 102 and the second welding seat 202 on the same side, the welding is in a full penetration groove form of manual arc welding of a welding rod, the welding rod is an E50 series welding rod, a welding rod drying box is arranged on a construction site, and the welding rod needs to be baked before being used.
Preferably, the weld joint is inspected by inspection and acceptance, and the qualified standard of the weld joint is as follows: the surface has no defects of cracks, incomplete welding, incomplete fusion, air hole slag welding, tumor and the like, the undercut depth of the welding line is not more than 0.5mm, the total length of undercuts at two sides is not more than 10 percent of the total length of the welding line and not more than 25mm, and the misalignment amount of the welding line is not more than 10 percent of the plate thickness and not more than 2 mm.
Principle of operation
According to the invention, the lower embedded part 1 and the upper embedded part 2 are positioned before the buckling support is installed through the tyre frame, so that the position change of the lower embedded part 1 and the upper embedded part 2 in the concrete pouring process can be effectively avoided, and the position of the lower embedded part 1 and the position of the upper embedded part 2 are ensured to be accurate after the pouring.
The bed-jig can be dismantled and have enough to meet the need the use, can effectively avoid the waste of material, and the bed-jig of recycling also makes the simple installation of buckling support to can reduce the preparation time of material.
The seismic capacity of the poured concrete structure can be obviously improved through the arrangement of the buckling supports 5.
The buckling support 5 is simple and convenient to install, and meanwhile, the influence on the construction of a concrete structure is reduced to the minimum on the basis of improving the performance of concrete.
The buckling supports 5 can be replaced, thereby making the maintenance thereof easier.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (7)
1. A method for installing and constructing a buckling-restrained energy-dissipation brace of a reinforced concrete structure is characterized by comprising the following steps of: the method comprises the steps of sequentially preparing construction materials, installing embedded parts, hoisting buckling supports, welding, inspecting and accepting and the like;
the preparation of the construction material comprises the preparation of a lower embedded part (1), an upper embedded part (2), a lower jig frame (3), an upper jig frame (4), a buckling support (5) and a hanging seat (6), wherein the lower jig frame (3) and the upper jig frame (4) are made of channel steel;
the installation of the embedded part comprises lower embedded part installation and upper embedded part installation.
2. The installation and construction method of the buckling restrained energy dissipation brace of the reinforced concrete structure as recited in claim 1, wherein: the lower embedded part (1) comprises a first pouring seat (101) and a first welding seat (102), wherein the first pouring seat (101) is vertically and fixedly connected with the first pouring seat (101), and reinforcement penetrating holes (103) are densely distributed in the first pouring seat (101); the upper embedded part (2) comprises a second pouring seat (201) and a second welding seat (202) symmetrically and fixedly connected to the lower surface of the second pouring seat (201); four lifting lugs (501) are welded on the upper surface of the buckling support (5) in a rectangular mode; the lifting seat (6) comprises a fixed plate (601) and a lifting plate (602) which are fixedly connected with each other, the lifting plate (602) and the fixed plate (601) are arranged in a T shape, and a lifting hole (603) is formed in the lifting plate (602).
3. The installation and construction method of the buckling restrained energy dissipation brace of the reinforced concrete structure as recited in claim 2, wherein: the lower embedded part installation comprises the following steps:
s1: aligning the bar penetrating holes (103) of the lower embedded parts (1) with main bars on the base beam, and penetrating the lower embedded parts (1) downwards, wherein the two lower embedded parts (1) are symmetrically arranged;
s2: the elevation of a stirrup at the lower end of the lower embedded part (1) is adjusted, the stirrup is bound with a main reinforcement, and then a lower buying part stud is clamped on the stirrup;
s3: adjusting the axis to tie the lower end of the lower embedded part (1) on the main rib by using a fire wire, and then adjusting the verticality of the lower embedded part (1);
s4: fixing two ends of a lower jig frame (3) between two lower embedded parts (1) through bolts, then welding the lower embedded parts (1) with main ribs, pouring a concrete column, and dismantling the lower jig frame (3) after the concrete column is solidified.
4. The installation and construction method of the buckling restrained energy dissipation brace of the reinforced concrete structure as recited in claim 3, wherein: the upper embedded part installation comprises the following steps:
s1: the upper jig frames (4) are fixed at two ends of the upper embedded part (2) through bolts, the upper jig frames (4) and the upper embedded part (2) are integrally hoisted in place, and then the lower ends of the two upper jig frames (4) are fixedly connected with one of the lower embedded parts (1) through bolts respectively;
s2: and (4) pouring the top beam, and dismantling the upper jig frame (4) after the top beam is poured.
5. The installation and construction method of the buckling restrained energy dissipation brace of the reinforced concrete structure as recited in claim 4, wherein: the hoisting buckling support comprises the following steps:
s1: firstly, fixedly connecting a hanging seat (6) on two sides of an upper embedded part (2) through bolts, and winding hemp ropes on a concrete column to be used as a chain block hook;
s2: the buckling support (5) is placed on the square timber, then the buckling support (5) is hoisted through the hoisting seat (6) and the hemp ropes, and the buckling support (5) is hoisted in place.
6. The installation and construction method of the buckling restrained energy dissipation brace of the reinforced concrete structure as recited in claim 2, wherein: the welding is about to buckle support (5) and welds between first welding seat (102) and second welding seat (202) of homonymy, and the welding adopts welding rod manual arc welding full penetration groove form, and the welding rod adopts E50 series welding rod, and the job site is equipped with welding rod stoving case, and the welding rod needs to bake before using.
7. The method for installing and constructing the buckling restrained energy dissipation brace of the reinforced concrete structure as recited in claim 6, wherein: and inspecting the welding line by inspection and acceptance, wherein the qualified standard of the welding line is as follows: the surface has no defects of cracks, incomplete welding, incomplete fusion, air hole slag welding, tumor and the like, the undercut depth of the welding line is not more than 0.5mm, the total length of undercuts at two sides is not more than 10 percent of the total length of the welding line and not more than 25mm, and the misalignment amount of the welding line is not more than 10 percent of the plate thickness and not more than 2 mm.
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| CN201911297304.8A CN110905220B (en) | 2019-12-17 | 2019-12-17 | Reinforced concrete structure buckling-restrained energy-dissipation brace installation construction method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911297304.8A CN110905220B (en) | 2019-12-17 | 2019-12-17 | Reinforced concrete structure buckling-restrained energy-dissipation brace installation construction method |
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| CN110905220B CN110905220B (en) | 2024-06-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115012534A (en) * | 2022-06-01 | 2022-09-06 | 中冶(上海)钢结构科技有限公司 | Method for mounting complex embedded part in steel rib column |
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| CN107965065A (en) * | 2017-10-30 | 2018-04-27 | 常州第建筑集团有限公司 | Buckling support Combined type pre-embedded member construction method |
| CN208650282U (en) * | 2018-07-25 | 2019-03-26 | 江苏蓝科减震科技有限公司 | A kind of precast support girder connection embedded part |
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2019
- 2019-12-17 CN CN201911297304.8A patent/CN110905220B/en active Active
Patent Citations (7)
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|---|---|---|---|---|
| CN101672071A (en) * | 2009-09-17 | 2010-03-17 | 同济大学 | Vertical reinforced concrete component-connection node of buckling-restrained brace |
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| CN115012534B (en) * | 2022-06-01 | 2024-04-05 | 中冶(上海)钢结构科技有限公司 | Method for installing complex embedded part in steel rib column |
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| CN110905220B (en) | 2024-06-04 |
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