CN108824699A - A kind of Covered with Angles regenerated aggregate concrete beam and installation method - Google Patents
A kind of Covered with Angles regenerated aggregate concrete beam and installation method Download PDFInfo
- Publication number
- CN108824699A CN108824699A CN201810648728.3A CN201810648728A CN108824699A CN 108824699 A CN108824699 A CN 108824699A CN 201810648728 A CN201810648728 A CN 201810648728A CN 108824699 A CN108824699 A CN 108824699A
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- China
- Prior art keywords
- steel
- angles
- covered
- regenerated aggregate
- aggregate concrete
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/29—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces built-up from parts of different material, i.e. composite structures
- E04C3/293—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces built-up from parts of different material, i.e. composite structures the materials being steel and concrete
-
- 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
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/185—Connections not covered by E04B1/21 and E04B1/2403, e.g. connections between structural parts of different material
-
- 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
Abstract
The invention discloses a kind of production of Covered with Angles regenerated aggregate concrete beam and installation methods, including：U-steel, annular ribbed stiffener, peg, split bolt and the regenerated aggregate concrete being filled in U-steel, peg are embedded in U-steel top flange two sides in advance, and split bolt is embedded in U-steel side in advance.By being reliably connected, guarantees that regeneration concrete and steel plate work together, resist external force, improve the ductility of regeneration concrete, improve the bearing capacity of beam.
Description
Technical field
The present invention relates to a kind of building element, the production of especially a kind of Covered with Angles regenerated aggregate concrete beam and installation side
Method.
Background technique
The huge building waste of bring after building caused by with a large amount of uses of concrete is removed, to avoid building rubbish
A large amount of generations of rubbish become main means using regenerated aggregate concrete.However the defect of regenerated aggregate concrete makes it simultaneously
It cannot be widely used in all kinds of engineerings.Regenerated aggregate concrete is embodying the superiority for the intensity for not being weaker than normal concrete
Meanwhile the big disadvantage of brittleness is also exposed, there is security risks in building use process.
General beam needs to carry out cast in situs again after live formwork, constructs complex, and its ductility is poor, by force
Degree and insufficient rigidity, anti-bending strength is poor, more demanding to site operation, delays construction speed.
Summary of the invention
Goal of the invention：The present invention provides a kind of production of Covered with Angles regenerated aggregate concrete beam and installation methods, this is outer
Baogang's regenerated aggregate concrete beam solves the big defect of brittleness of regenerated aggregate concrete beam, accelerates the construction speed in engineering
Degree；The installation method site operation difficulty of the Covered with Angles regenerated aggregate concrete beam reduces, and on-site construction processes simplify, and ensures
While construction personnel is safe, accelerate construction progress.
Technical solution：A kind of Covered with Angles regenerated aggregate concrete beam, including U-steel, annular ribbed stiffener, peg, to drawing spiral shell
Bolt and regeneration concrete；Regeneration concrete is poured in U-steel, and one section of empty slot is reserved in U-steel end, is not poured in this section of empty slot
Build regeneration concrete；Peg is set on the U-steel edge of a wing, for being embedded to the concrete and top plate of top plate when mounting rail
Connection；Annular ribbed stiffener is welded with along side wall and bottom plate at U-steel inside cross-section；Split bolt runs through U-steel two sides
Wall tenses U-steel two sidewalls.
Wherein, at away from annular ribbed stiffener top edge 30cm on offer hole so that concrete is logical after casting concrete
It crosses the hole to be bonded together, and then makes the concrete entirety stress in beam, avoid being divided into beam inner concrete because of annular ribbed stiffener
Multistage and make when local concrete stress because there is the vertical sliding of steel and concrete beyond adhesion strength.It can on annular ribbed stiffener
With open up there are two and more than two circular holes, circular hole be spaced along vertical direction uniformly arranges.
It wherein is embedded with negative reinforcement in the concrete of the side of the reserved empty slot of U-steel, which is used for
When bean column node pours, after the negative reinforcement binding on two girders of column two sides, hogging moment is resisted to reinforce node
Ability and energy dissipation capacity.
Specifically, annular ribbed stiffener is 600mm along beam length direction spacing；3 height of peg is 50mm, along beam length side
Upward spacing is 300mm；Split bolt is 6.8 grade bolts, between the annular ribbed stiffener of beam；The recycled aggregate coagulation of filling
Soil is the concrete of C40 or more.
The present invention also provides a kind of installation methods of Covered with Angles regenerated aggregate concrete beam：Specifically comprise the following steps：
2) precast beam
1.1) punch needed for Covered with Angles part at Prefabricated bar node.Steel are cut using laser cutting machine, according to
Defined size, punch part needed for being cut into Covered with Angles in designated position；
1.2) steel mouth outside clod wash in U-steel two sides is formed top flange, the clod wash wing by clod wash technology by prefabricated U-steel
Edge width is 180mm；
1.3) annular ribbed stiffener is welded along U-steel inner wall two sides and bottom, weld seam is fillet weld；
1.4) peg is stamped with welding gun at U-steel top flange, is punched in U-steel two sides；
1.5) regenerated aggregate concrete is poured across the hole of U-steel two sides with split bolt, beam end reserves portion
Point empty slot is cast-in-place for bean column node, and the Covered with Angles part that punches is blocked using plank sheathing at beam girder connection；
1.6) split bolt is tensed, the two sides of U-steel and regenerated aggregate concrete is in close contact, conserves to defined
Age；
2) column and girder connecting node corner be arranged angle steel, angle steel horizontal component by screw connection in
U-steel bottom, angle steel vertical portion are fixedly connected by welding with column, bind the hogging moment reserved and stretched out in the girder of column two sides
Reinforcing bar, it is cast-in-place to bean column node；
3) cast-in-place again after being fixed to secondary beam U-steel with girder U-steel using bolt, carry out Covered with Angles recycled aggregate coagulation
The beam of Tu Liang-beam connection.
Beneficial effect：Covered with Angles regenerated aggregate concrete beam of the invention has ductility good, and template is set up in release, and construction is just
Victory, reliability is good, and the high advantage of safety coefficient substantially improves the brittleness of general regenerated aggregate concrete column, and the Covered with Angles is again
Raw aggregate beams of concrete fully plays the intensity of regenerated aggregate concrete and the fabulous tensile property of steel, also gives Regenerated Bone
Expect the good ductility of concrete, regenerated aggregate concrete reliability used in engineering can be greatly improved.In addition, of the invention
Beam installation process in do not need formwork, and weld relatively easy, the available guarantee of weldquality, prefabrication process in ribbed stiffener
In it is convenient and efficient.
Detailed description of the invention
Fig. 1 is the cross section view at the annular ribbed stiffener of Covered with Angles regenerated aggregate concrete beam of the present invention；
Fig. 2 is the main view at the lateral surface of Covered with Angles regenerated aggregate concrete beam of the present invention；
Fig. 3 is the cross section view of Covered with Angles regenerated aggregate concrete Liang Duilaluoshuanchu of the present invention；
Fig. 4 is beam-column joint figure when Covered with Angles regenerated aggregate concrete beam of the present invention is installed；
Fig. 5 is beam-girder connection figure when Covered with Angles regenerated aggregate concrete beam of the present invention is installed；.
Specific embodiment
As shown in Figure 1-3, a kind of Covered with Angles regenerated aggregate concrete beam, including U-steel 1, annular ribbed stiffener 2, peg 3,
Split bolt 4 and regeneration concrete 7；Regeneration concrete 7 is poured in U-steel 1, and one section of empty slot is reserved in 1 end of U-steel, should
Regeneration concrete is not poured in section empty slot, as shown in figure 4, concreting is in this section of empty slot when bean column node is poured
It bonds girder and the column itself of column two sides and forms integral node；Peg 3 is set on 1 top flange of U-steel, outsourcing
In steel regenerated aggregate concrete beam at 1 top flange of U-steel by the way of 3 Transducers Embedded in Concrete of peg, be conducive to construct at the scene
When, quickly splice with floor, hole is then sealed using cast-in-place concrete；Along side wall at 1 inside cross-section of U-steel
Annular ribbed stiffener 2 is welded with bottom plate；Split bolt 4 runs through U-steel two sidewalls, tenses U-steel two sidewalls, it is ensured that U-steel
1 and regenerated aggregate concrete 7 work together, reduce the Relative sliding of steel and concrete to the greatest extent.
For globality, Covered with Angles regenerated aggregate concrete beam is using annular ribbed stiffener 2 and split bolt 4, from hanging down
Histogram guarantees steel and the common stress of regeneration concrete, overall work to horizontal direction.To Covered with Angles regenerated aggregate concrete
For beam under bending moment effect, concrete effectively guarantees that steel avoid unstability, while the combined effect of steel and concrete can be with
The total bearing capacity and ductility for greatling improve beam, give full play to the mechanical property of steel and concrete material.
As shown in Figure 1, offering hole at away from annular 1 top edge 30cm of ribbed stiffener, the shape in the hole is unlimited, can be side
Hole, circular hole or other polygons or irregular hole, preferably circular hole is to avoid problem of stress concentration；The hole to pour mixed
Concrete is bonded together by the hole after solidifying soil, and then makes the concrete entirety stress in beam, is avoided because of annular ribbed stiffener
Beam inner concrete is divided into multistage and is made when local concrete stress because there is the vertical cunning of steel and concrete beyond adhesion strength
It moves.There are two can opening up on annular ribbed stiffener 2 and more than two circular holes, circular hole are spaced uniform arrangement along vertical direction.
Wherein U-steel 1 is reserved in the concrete of the side of empty slot and is embedded with negative reinforcement 9, which uses
In when bean column node pours, after the binding together of negative reinforcement 9 of the stretching on two girders of column two sides, for supporting
The connected larger hogging moment generated of anti-beam column, and enhance the energy dissipation capacity at bean column node.
Specifically, annular ribbed stiffener is 600mm along beam length direction spacing；3 height of peg is 50mm, along beam length direction
Upper spacing is 300mm；Split bolt is 6.8 grade bolts, between the annular ribbed stiffener of beam；The regenerated aggregate concrete of filling
For the concrete of C40 or more.
The present invention also provides a kind of installation method of Covered with Angles regenerated aggregate concrete beam, this method mainly includes as follows
Step：
Step 1, precast beam
Punch needed for Covered with Angles part at step 1.1, Prefabricated bar node, is cut using laser cutting machine to steel,
According to the size of regulation, punch part needed for being cut into Covered with Angles in designated position.
Step 1.2, prepared or prefabricated groove profile 1, by clod wash technology, by the 1 outside clod wash of two sides steel mouth of U-steel, the clod wash wing
Edge width is 180mm；
Step 1.3, in U-steel 1, by manual welding, welded in 1 inner wall two sides of U-steel and bottom by preset space length
Annular ribbed stiffener 2 is connect, weld seam is fillet weld；
Step 1.4 presses preset space length at above-mentioned ready 1 top flange of U-steel, peg 3 is stamped with welding gun, such as Fig. 1
It is shown；
Step 1.5 is axially equidistantly punched in 1 side of U-steel, with split bolt 4 at punching, is poured again
Raw aggregate concrete seven, beam end reserve part empty slot for bean column node it is cast-in-place, hole part is blocked using plank sheathing；
Step 1.6 tenses split bolt 4, is in close contact the two sides of U-steel 1 and regenerated aggregate concrete 7, maintenance is extremely
Defined age, as shown in Figure 2；
Angle steel 8 is arranged in the corner of the connecting node of column and girder in step 2, and 8 horizontal component of angle steel passes through self-tapping screw
6 are connected to 1 bottom of U-steel, and 8 vertical portion of angle steel is fixedly connected by welding with column, bind to reserve in the girder of column two sides and stretch out
Negative reinforcement 9, it is cast-in-place to bean column node, as shown in Figure 4；
Step 3, cast-in-place again after being fixed using bolt to secondary beam Covered with Angles and girder, progress Covered with Angles regenerated aggregate concrete
The beam of beam-beam connection, as shown in figure 5, so far installation terminates.
Practice of construction assembly during, it is to be ensured that peg 3 is installed accurately, pour it is closely knit, with this, it is ensured that construction quality with
The safety of engineering.
As shown in Fig. 4 and Fig. 5 combination, when Covered with Angles regenerated aggregate concrete beam is connect with column, angle steel 8 is welded in column side,
The reserved U-steel 1 of beam is fixed with angle steel with self-tapping screw 6, the method for then using cast-in-place bean column node, by column two sides
Negative reinforcement 9 is reserved in beam to pour together.When Covered with Angles regenerated aggregate concrete beam is connect with beam, angle is welded in secondary beam end
Steel 8 is connected, Cast-in-situ Beam girder connection after angle steel 8 is connect with girder using bolt 5.From construction angle, spiral shell is used at the construction field (site)
It tethers and connects, not only increase speed of application, and surrounding enviroment are influenced minimum.
Claims (8)
1. a kind of Covered with Angles regenerated aggregate concrete beam, including U-steel (1), annular ribbed stiffener (2), peg (3) and regeneration are mixed
Solidifying soil (7), it is characterised in that：The regeneration concrete (7) pours in U-steel (1), and one section of sky is reserved in U-steel (1) end
Slot does not pour regeneration concrete (7) in this section of empty slot；The peg (3) is set to U-steel (1) top flange；The U-steel
(1) annular ribbed stiffener (2) are welded with along side wall and bottom plate inside cross-section.
2. Covered with Angles regenerated aggregate concrete beam according to claim 1, it is characterised in that：Split bolt (4) runs through slot
Fashioned iron (1) two sidewalls tense U-steel (1) two sidewalls.
3. Covered with Angles regenerated aggregate concrete beam according to claim 1, it is characterised in that：The annular ribbed stiffener (2)
On offer hole.
4. Covered with Angles regenerated aggregate concrete beam according to claim 1, it is characterised in that：The annular ribbed stiffener (2)
On open up there are two and more than two circular holes, the circular hole be spaced along vertical direction uniformly arranges.
5. Covered with Angles regenerated aggregate concrete beam according to claim 1, it is characterised in that：3 height of peg is
50mm。
6. Covered with Angles regenerated aggregate concrete beam according to claim 1, it is characterised in that：The annular ribbed stiffener (2)
It is 600mm along beam length direction spacing.
7. Covered with Angles regenerated aggregate concrete beam according to claim 1, it is characterised in that：The U-steel (1) is reserved
Negative reinforcement (9) are embedded in the concrete of the side of empty slot.
8. a kind of installation method of Covered with Angles regenerated aggregate concrete beam：It is characterized in that：Include the following steps：
1) precast beam
1.1) punch needed for Covered with Angles part at Prefabricated bar node, is cut using laser cutting machine to steel, according to the rules
Size, punch part needed for being cut into Covered with Angles in Liang Liangjiedianchu；
1.2) steel mouth outside clod wash in U-steel two sides is formed top flange by clod wash technology by prefabricated U-steel；
1.3) annular ribbed stiffener is welded along U-steel inner wall two sides and bottom, weld seam is fillet weld；
1.4) peg is stamped with welding gun at U-steel top flange, is punched in U-steel two sides；
1.5) split bolt is used, across the hole of U-steel two sides, pours regenerated aggregate concrete, beam end reserves part sky
Slot is cast-in-place for bean column node, and the part that punches Liang Liangjiedianchu is blocked using plank sheathing；
1.6) split bolt is tensed, is in close contact the two sides of U-steel and regenerated aggregate concrete, maintenance to defined age；
2) angle steel is set in the corner of the connecting node of column and girder, angle steel horizontal component is by screw connection in groove profile
Steel bottom, angle steel vertical portion are fixedly connected by welding with column, bind the negative reinforcement reserved and stretched out in the girder of column two sides,
It is cast-in-place to bean column node；
3) cast-in-place again after being fixed secondary beam U-steel with girder U-steel using bolt, carry out Covered with Angles regenerated aggregate concrete beam
Beam-beam connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810648728.3A CN108824699A (en) | 2018-06-22 | 2018-06-22 | A kind of Covered with Angles regenerated aggregate concrete beam and installation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810648728.3A CN108824699A (en) | 2018-06-22 | 2018-06-22 | A kind of Covered with Angles regenerated aggregate concrete beam and installation method |
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| Publication Number | Publication Date |
|---|---|
| CN108824699A true CN108824699A (en) | 2018-11-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810648728.3A Pending CN108824699A (en) | 2018-06-22 | 2018-06-22 | A kind of Covered with Angles regenerated aggregate concrete beam and installation method |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101418631A (en) * | 2008-10-14 | 2009-04-29 | 华南理工大学 | U-shaped steel-coated Regenerated composite beam of and construction method thereof |
| CN101851983A (en) * | 2010-05-19 | 2010-10-06 | 华侨大学 | Template-free U-shaped steel concrete combination beam |
| CN104264899A (en) * | 2014-10-17 | 2015-01-07 | 上海天华建筑设计有限公司 | Embedded U-shaped steel-encased concrete combined beam |
| CN204139457U (en) * | 2014-10-15 | 2015-02-04 | 深圳前海星宇金颂科技有限公司 | A kind of punching block shell beam |
-
2018
- 2018-06-22 CN CN201810648728.3A patent/CN108824699A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101418631A (en) * | 2008-10-14 | 2009-04-29 | 华南理工大学 | U-shaped steel-coated Regenerated composite beam of and construction method thereof |
| CN101851983A (en) * | 2010-05-19 | 2010-10-06 | 华侨大学 | Template-free U-shaped steel concrete combination beam |
| CN204139457U (en) * | 2014-10-15 | 2015-02-04 | 深圳前海星宇金颂科技有限公司 | A kind of punching block shell beam |
| CN104264899A (en) * | 2014-10-17 | 2015-01-07 | 上海天华建筑设计有限公司 | Embedded U-shaped steel-encased concrete combined beam |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181116 |
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| RJ01 | Rejection of invention patent application after publication |