CN110396914A - U-shaped Steel Thin-Wall-prestressed concrete combination beam and its construction method - Google Patents
U-shaped Steel Thin-Wall-prestressed concrete combination beam and its construction method Download PDFInfo
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- CN110396914A CN110396914A CN201910623723.XA CN201910623723A CN110396914A CN 110396914 A CN110396914 A CN 110396914A CN 201910623723 A CN201910623723 A CN 201910623723A CN 110396914 A CN110396914 A CN 110396914A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 451
- 239000010959 steel Substances 0.000 title claims abstract description 451
- 239000011513 prestressed concrete Substances 0.000 title claims abstract description 64
- 238000010276 construction Methods 0.000 title claims abstract description 35
- 230000002787 reinforcement Effects 0.000 claims abstract description 120
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims abstract description 88
- 238000007789 sealing Methods 0.000 claims abstract description 70
- 239000004567 concrete Substances 0.000 claims abstract description 67
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 59
- 238000003466 welding Methods 0.000 claims description 18
- 238000004873 anchoring Methods 0.000 claims description 3
- 210000002435 tendon Anatomy 0.000 claims description 3
- 238000005266 casting Methods 0.000 abstract description 3
- 238000010008 shearing Methods 0.000 abstract description 2
- 238000005452 bending Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 15
- 239000000463 material Substances 0.000 description 5
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
-
- 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
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/20—Concrete, stone or stone-like material
- E01D2101/24—Concrete
- E01D2101/26—Concrete reinforced
- E01D2101/28—Concrete reinforced prestressed
- E01D2101/285—Composite prestressed concrete-metal
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Reinforcement Elements For Buildings (AREA)
Abstract
The invention discloses U-shaped Steel Thin-Wall-prestressed concrete combination beam and its construction methods.U-shaped Steel Thin-Wall-prestressed concrete combination beam, including U-shaped Steel Thin-Wall, framework of steel reinforcement and several presstressed reinforcing steels；The both ends of the U-shaped Steel Thin-Wall are connected with sealing plate；The U-shaped Steel Thin-Wall is internally provided with framework of steel reinforcement, and several presstressed reinforcing steels pass through framework of steel reinforcement and the open end close to U-shaped Steel Thin-Wall, when in use, tensile region of the open end of U-shaped thin-walled steel gird as beam；In the inside casting concrete of the U-shaped Steel Thin-Wall, then presstressed reinforcing steel described in tensioning.U-shaped Steel Thin-Wall-prestressed concrete combination beam can effectively improve shearing resistance and the anti-bending bearing capacity of beam, improve beam ductility and anti-seismic performance.Meanwhile U-shaped Steel Thin-Wall-prestressed concrete combination beam does not need additional support before casting concrete, auxiliary undertakes construction loads, exempts from template, saves form cost and labour cost, constructs more convenient.
Description
Technical field
The present invention relates to building structure and transport structure component, and in particular to U-shaped Steel Thin-Wall-prestressed concrete combination beam
And its construction method.
Background technique
Reinforced beam is most widely used structural beams form in engineering, but the Single column pier beam of traffic, Dun Liang with
And in the structural beams in building structure based on receiving shearing, the section of armored concrete is big, arrangement of reinforcement is more, ductility is poor, shock resistance
Can be insufficient, especially large cantilever bent cap template in construction is excessive, and cubic amount of concrete is big, and it is difficult that the transport of material will increase construction
Degree, to increase material cost and transportation cost, also affects construction speed.
Therefore, it needs to develop a kind of new beam design and its construction method that can solve the above problem.
Summary of the invention
The object of the present invention is to provide a kind of U-shapeds that can solve existing reinforced beam and prestressed concrete beam defect
Steel Thin-Wall-prestressed concrete combination beam and its construction method.
To realize the present invention purpose and the technical solution adopted is that such, U-shaped Steel Thin-Wall-prestressed concrete combination
Beam, including U-shaped thin-walled steel plate, framework of steel reinforcement and several presstressed reinforcing steels.
The cross section of the U-shaped thin-walled steel plate is U-shaped, and it is closed bottom surface that the upper end, which has opening, lower end,.
It is the internal cavities of U-shaped thin-walled steel plate below the opening.
The lateral length direction of the internal cavities is the longitudinal direction of U-shaped thin-walled steel plate, the longitudinal length of the internal cavities
Direction is the transverse direction of U-shaped thin-walled steel plate.
The part of the internally positioned cavity two sides of U-shaped thin-walled steel plate is denoted as side plate I.The U-shaped thin-walled steel plate is located at interior
The part of the lower section of portion's cavity is denoted as bottom plate I.
Longitudinal both ends of the U-shaped thin-walled steel plate are welded with sealing plate.
In several internally positioned cavitys of the presstressed reinforcing steel.After each presstressed reinforcing steel forms prestressing force by tensioning,
Its both ends is anchored on sealing plate.
The inner space of the U-shaped thin-walled steel plate pours and fills up concrete.
Further, the inner surface of the bottom plate I is welded with several pegs.
Further, the inner space of the U-shaped thin-walled steel plate is provided with framework of steel reinforcement, and several presstressed reinforcing steels pass through steel
Tendons skeleton, the framework of steel reinforcement is for fixing presstressed reinforcing steel.
Further, the open end of the U-shaped thin-walled steel plate is welded with several cover boards.
Further, the U-shaped thin-walled steel plate is formed by thin-walled steel plate by clod wash, splicing or welding processing.
Further, the presstressed reinforcing steel is the compressor wire for having cementability, the steel strand wires for having cementability, has cementability
Prestressing force spiral, the compressor wire of non-binding, the steel strand wires of non-binding or non-binding prestressing force screw-thread steel
Muscle.
Based on above-mentioned U-shaped Steel Thin-Wall-prestressed concrete combination beam construction method, comprising the following steps:
1) thin-walled steel plate is subjected to clod wash, splicing or welding processing, so that the U-shaped thin-walled steel plate be made.In the U-shaped
Weld several pegs in the inside of thin-walled steel plate.
2) framework of steel reinforcement is bound, and the framework of steel reinforcement is placed into the internal cavities of U-shaped thin-walled steel plate.
3) several presstressed reinforcing steels pass through framework of steel reinforcement and are fixed on framework of steel reinforcement, so that the every presstressed reinforcing steel
Both ends stretch out U-shaped thin-walled steel plate.Wherein, several presstressed reinforcing steels are close to the open end of U-shaped thin-walled steel plate.
4) one end that several presstressed reinforcing steels stretch out U-shaped thin-walled steel plate passes through several through-holes of one block of sealing plate, Ruo Gansuo
It states presstressed reinforcing steel and stretches out the other end of U-shaped thin-walled steel plate and pass through several through-holes of another block of sealing plate, and by this two blocks of sealing plates
It is connected on two end faces of U-shaped thin-walled steel plate.
5) Xiang Suoshu U-shaped Steel Thin-Wall intralamellar part pours and fills up concrete.
6) after the concrete reaches design strength, tensioning is carried out to the one or both ends of the presstressed reinforcing steel.And
The both ends sandwiched stretch-draw anchor part of the every presstressed reinforcing steel, is anchored at each stretch-draw anchor part on sealing plate.
Based on above-mentioned U-shaped Steel Thin-Wall-prestressed concrete combination beam construction method, comprising the following steps:
1) thin-walled steel plate is subjected to clod wash, splicing or welding processing, so that the U-shaped thin-walled steel plate be made.In the U-shaped
Weld several pegs in the inside of thin-walled steel plate.
2) framework of steel reinforcement is bound, and the framework of steel reinforcement is placed into the internal cavities of U-shaped thin-walled steel plate.
3) several presstressed reinforcing steels pass through framework of steel reinforcement and are fixed on framework of steel reinforcement, so that the every presstressed reinforcing steel
Both ends stretch out U-shaped thin-walled steel plate.Wherein, several presstressed reinforcing steels are close to the open end of U-shaped thin-walled steel plate.
4) one end that several presstressed reinforcing steels stretch out U-shaped thin-walled steel plate passes through several through-holes of one block of sealing plate, Ruo Gansuo
It states presstressed reinforcing steel and stretches out the other end of U-shaped thin-walled steel plate and pass through several through-holes of another block of sealing plate, and by this two blocks of sealing plates
It is connected on two end faces of U-shaped thin-walled steel plate.
5) tensioning is carried out to the one or both ends of the presstressed reinforcing steel.And in the both ends sandwiched of the every presstressed reinforcing steel
Anchoring piece is drawn, is anchored at each stretch-draw anchor part on sealing plate.
6) Xiang Suoshu U-shaped Steel Thin-Wall intralamellar part pours and fills up concrete.
The beneficial effects of the present invention are:
1, compared with existing reinforced beam, novel compositions beam improves U-shaped Steel Thin-Wall-prestressed concrete combination beam
The bearing capacity of component, ductility and anti-seismic performance；
2, U-shaped Steel Thin-Wall-prestressed concrete combination beam can bear itself due to having U-shaped thin-walled steel plate outside concrete
Weight, does not need additional support before casting concrete, and auxiliary undertakes construction loads, exempts from template, saves form cost and artificial
Take, is conducive to making full use of and then save material, reducing construction cost for material, it is easy for construction；
3, under identical load action, U-shaped Steel Thin-Wall-prestressed concrete combination beam has used smaller sectional dimension
And material, it increases using space, further reduced use cost.
Detailed description of the invention
Fig. 1 is U-shaped Steel Thin-Wall-prestressed concrete combination beam part drawing；
Fig. 2 is that U-shaped Steel Thin-Wall-prestressed concrete combines girder construction process figure；
Fig. 3 is U-shaped Steel Thin-Wall-prestressed concrete combination beam bottom view；
Fig. 4 is U-shaped Steel Thin-Wall-prestressed concrete combination beam side view；
Fig. 5 is U-shaped Steel Thin-Wall-prestressed concrete combination beam top view；
Fig. 6 is U-shaped Steel Thin-Wall-prestressed concrete combination beam longitudinal sectional drawing；
Fig. 7 is A-A cross-sectional view；
Fig. 8 is B-B cross-sectional view.
In figure: U-shaped thin-walled steel plate 1, bottom plate I 101, peg 1011, side plate I 102, crimping 1021, framework of steel reinforcement 2, longitudinal direction
Reinforcing bar 201, stirrup 202, presstressed reinforcing steel 3, stretch-draw anchor part 301, sealing plate 4, cover board 5 and concrete 6.
Specific embodiment
Below with reference to embodiment, the invention will be further described, but should not be construed the above-mentioned subject area of the present invention only
It is limited to following embodiments.Without departing from the idea case in the present invention described above, according to ordinary skill knowledge and used
With means, various replacements and change are made, should all include within the scope of the present invention.
Embodiment 1:
Present embodiment discloses the U-shaped for the completion that is prefabricated in the factory Steel Thin-Wall-prestressed concrete combination beam, including U-shaped are thin
Wall steel plate 1, framework of steel reinforcement 2 and several presstressed reinforcing steels 3.
The strong welds such as the U-shaped thin-walled steel plate 1 is formed by thin-walled steel plate by welding processing, and process ensures.It is described
The model Q235 of thin-walled steel plate.Referring to Fig. 1 or 2, the U-shaped thin-walled steel plate 1 is cross-section girder steel.
Referring to Fig. 1, the cross section of the U-shaped thin-walled steel plate 1 is U-shaped, and it is closed bottom that the upper end, which has opening, lower end,
Face.
It is the internal cavities of U-shaped thin-walled steel plate 1 below the opening.
The lateral length direction of the internal cavities is the longitudinal direction of U-shaped thin-walled steel plate 1, the longitudinal length of the internal cavities
Direction is the transverse direction of U-shaped thin-walled steel plate 1.
The part of the internally positioned cavity two sides of the U-shaped thin-walled steel plate 1 is denoted as side plate I 102, and described U-shaped thin-walled steel plate 1
Bottom plate I 101 is denoted as in the part of the lower section of internal cavities.
The inside of the bottom plate I 101 is welded with several pegs 1011.
Referring to Fig. 1,3,4 or 5, longitudinal both ends of the U-shaped thin-walled steel plate 1 are welded with sealing plate 4, each sealing plate 4
On be provided with several through-holes.
Referring to Fig. 1,6,7 or 8, the U-shaped thin-walled steel plate 1 is internally provided with framework of steel reinforcement 2, and the framework of steel reinforcement 2 wraps
Include several longitudinal reinforcements 201, stirrup 202 and arrangement of reinforcement, the model of several longitudinal reinforcements 201, stirrup 202 and arrangement of reinforcement
HRB335。
Referring to Fig. 6,7 or 8, several presstressed reinforcing steels 3 pass through several through-holes and framework of steel reinforcement 2, Ruo Gansuo on sealing plate 4
Presstressed reinforcing steel 3 is stated to be fixed on framework of steel reinforcement 2.Several presstressed reinforcing steels 3 are close to the open end of U-shaped thin-walled steel plate 1.
In the present embodiment, the presstressed reinforcing steel 3 is the steel strand wires of non-binding.The arrangement of several presstressed reinforcing steels 3
Mode is straight line arrangement.
Referring to fig. 4 or 6, the both ends of the every presstressed reinforcing steel 3 are clamping stretch-draw anchor part 301, several tensioning
Anchoring piece 301 is anchored on sealing plate 4.
The open end of the U-shaped thin-walled steel plate 1 is welded with several cover boards 5, and the cross section of the cover board 5 is u-shaped, if
The open end for doing the cover board 5 is opposite with the open end of U-shaped thin-walled steel plate 1.
The cover board 5 includes bottom plate II and two side plate II, and two side plates II are welded to two side plates I 102
Outside.
The inside of the U-shaped thin-walled steel plate 1 pours and is filled with concrete 6, and the concrete 6 is to be able to satisfy prestressing force to mix
The normal concrete of solidifying soil strength condition.To the U-shaped thin-walled steel plate 1, framework of steel reinforcement 2, several presstressed reinforcing steels 3 and concrete
6 form U-shaped Steel Thin-Wall-prestressed concrete combination beam.
In use, the U-shaped Steel Thin-Wall-prestressed concrete combination beam is disposed with the open end of presstressed reinforcing steel as the beam
Tensile region.
Embodiment 2:
Present embodiment discloses the U-shaped being prefabricated in the factory Steel Thin-Wall-prestressed concrete combination beam construction methods, including
Following steps:
1) by thin-walled steel plate in factory's progress welding processing, the strong welds such as process ensures, to be made prismatic
The U-shaped thin-walled steel plate 1.Wherein, the model Q235 of thin-walled steel plate, in I 101 upper surface of bottom plate of the U-shaped thin-walled steel plate 1
Weld several pegs 1011.
2) framework of steel reinforcement 2 is bound in factory, and the framework of steel reinforcement 2 is placed into U-shaped thin-walled steel plate 1.Wherein,
The framework of steel reinforcement 2 includes several longitudinal reinforcements 201, stirrup 202 and arrangement of reinforcement, several longitudinal reinforcements 201, stirrup 202
With the model HPB300 of arrangement of reinforcement.
3) several presstressed reinforcing steels 3 are passed through into framework of steel reinforcement 2 in factory and be fixed on framework of steel reinforcement 2, so that every
U-shaped thin-walled steel plate 1 is stretched out at the both ends of the presstressed reinforcing steel 3.Wherein, several presstressed reinforcing steels 3 are close to U-shaped thin-walled steel plate 1
Open end, the presstressed reinforcing steel 3 be non-binding steel strand wires.In use, the U-shaped Steel Thin-Wall-prestressed concrete combination
Beam is disposed with tensile region of the open end as the beam of presstressed reinforcing steel.
4) one end that several presstressed reinforcing steels 3 stretch out U-shaped thin-walled steel plate 1 is passed through into the several of one block of sealing plate 4 in factory
Through-hole, the other end that several presstressed reinforcing steels 3 stretch out U-shaped thin-walled steel plate 1 pass through several through-holes of another block of sealing plate 4, and will
This two blocks sealing plates 4 are connected on two end faces of U-shaped thin-walled steel plate 1.
5) several cover boards 5 are welded to the open end of the U-shaped thin-walled steel plate 1 in factory.By the two of each cover board 5
A side plate II is welded to the outside of two side plates I 102.Wherein, several cover boards 5 are distributed in U-shaped thin-walled steel plate 1
Open end.
6) tensioning is carried out to one end of the presstressed reinforcing steel 3 in factory.And it is pressed from both sides at the both ends of the every presstressed reinforcing steel 3
If stretch-draw anchor part 301, it is anchored at each stretch-draw anchor part 301 on sealing plate 4.
7) it in factory, is poured inside Xiang Suoshu U-shaped thin-walled steel plate 1 and fills up concrete 6.Wherein, the concrete 6 is
Normal concrete, the normal concrete meet the strength condition of prestressed concrete.
Embodiment 3:
Present embodiment discloses the U-shaped poured at the scene Steel Thin-Wall-prestressed concrete combination beam construction methods, including
Following steps:
1) by thin-walled steel plate progress welding processing, the strong welds such as process ensures, so that prismatic U-shaped be made
Thin-walled steel plate 1.Wherein, the model Q335 of thin-walled steel plate, if being welded in I 101 upper surface of bottom plate of the U-shaped thin-walled steel plate 1
Dry peg 1011.
2) framework of steel reinforcement 2 is bound, and the framework of steel reinforcement 2 is placed into U-shaped thin-walled steel plate 1.Wherein, the steel
Tendons skeleton 2 includes several longitudinal reinforcement 201 and stirrup 202, the model of several longitudinal reinforcements 201 and stirrup 202
HRB335。
3) several presstressed reinforcing steels 3 are passed through into framework of steel reinforcement 2 and be fixed on framework of steel reinforcement 2, so that every described pre-
U-shaped thin-walled steel plate 1 is stretched out at the both ends of stress rib 3.Wherein, opening of several presstressed reinforcing steels 3 close to U-shaped thin-walled steel plate 1
End, the presstressed reinforcing steel 3 are the steel strand wires of non-binding.In use, the U-shaped Steel Thin-Wall-prestressed concrete combination beam arrangement
There is tensile region of the open end of presstressed reinforcing steel as the beam.
4) one end that several presstressed reinforcing steels 3 stretch out U-shaped thin-walled steel plate 1 is passed through to several through-holes of one block of sealing plate 4, if
It does the presstressed reinforcing steel 3 and stretches out the other end of U-shaped thin-walled steel plate 1 and pass through several through-holes of another block of sealing plate 4, and by this two pieces of institutes
Sealing plate 4 is stated to be connected on two end faces of U-shaped thin-walled steel plate 1.
5) several cover boards 5 are welded to the open end of the U-shaped thin-walled steel plate 1.By two side plates of each cover board 5
II is welded to the outside of two side plates I 102.Wherein, several cover boards 5 are distributed in the opening of U-shaped thin-walled steel plate 1
End.
6) it at the construction field (site), is poured inside Xiang Suoshu U-shaped thin-walled steel plate 1 and fills up concrete 6.Wherein, the concrete 6
For normal concrete, which meets the strength condition of prestressed concrete.
7) after the concrete 6 reaches design strength, tensioning is carried out to one end of the presstressed reinforcing steel 3.And at every
The both ends sandwiched stretch-draw anchor part 301 of the presstressed reinforcing steel 3, is anchored at each stretch-draw anchor part 301 on sealing plate 4.
Embodiment 4:
Present embodiment discloses the U-shaped for the completion that is prefabricated in the factory Steel Thin-Wall-prestressed concrete combination beams for the present embodiment
Construction method, comprising the following steps:
1) by thin-walled steel plate in factory's progress welding processing, the strong welds such as process ensures, to be made prismatic
The U-shaped thin-walled steel plate 1.Wherein, the model Q390 of thin-walled steel plate.In I 101 upper surface of bottom plate of the U-shaped thin-walled steel plate 1
Weld several pegs 1011.
2) framework of steel reinforcement 2 is bound in factory, and the framework of steel reinforcement 2 is placed into U-shaped thin-walled steel plate 1.Wherein,
The framework of steel reinforcement 2 includes several longitudinal reinforcement 201 and stirrup 202, the type of several longitudinal reinforcements 201 and stirrup 202
Number be HRB400.
3) several presstressed reinforcing steels 3 are passed through into framework of steel reinforcement 2 and be fixed on framework of steel reinforcement 2, so that every described pre-
U-shaped thin-walled steel plate 1 is stretched out at the both ends of stress rib 3.Wherein, opening of several presstressed reinforcing steels 3 close to U-shaped thin-walled steel plate 1
End, the presstressed reinforcing steel 3 are the steel strand wires of non-binding.In use, the U-shaped Steel Thin-Wall-prestressed concrete combination beam arrangement
There is tensile region of the open end of presstressed reinforcing steel as the beam.
4) one end that several presstressed reinforcing steels 3 stretch out U-shaped thin-walled steel plate 1 passes through several through-holes of one block of sealing plate 4, several
The other end that the presstressed reinforcing steel 3 stretches out U-shaped thin-walled steel plate 1 passes through several through-holes of another block of sealing plate 4, and will be described in this two pieces
Sealing plate 4 is connected on two end faces of U-shaped thin-walled steel plate 1.
5) several cover boards 5 are welded to the open end of the U-shaped thin-walled steel plate 1.By two side plates of each cover board 5
II is welded to the outside of two side plates I 102.Wherein, several cover boards 5 are distributed in the opening of U-shaped thin-walled steel plate 1
End.
6) it is poured inside factory, Xiang Suoshu U-shaped thin-walled steel plate 1 and fills up concrete 6.Wherein, the concrete 6 is general
Logical concrete, the normal concrete meet the strength condition of prestressed concrete.
7) after the concrete 6 reaches design strength, tensioning is carried out to the both ends of the presstressed reinforcing steel 3.And at every
The both ends sandwiched stretch-draw anchor part 301 of the presstressed reinforcing steel 3, is anchored at each stretch-draw anchor part 301 on sealing plate 4.
Embodiment 5:
Present embodiment discloses the U-shaped of cast-in-place completion at the scene Steel Thin-Wall-prestressed concrete combination beams for the present embodiment
Construction method, comprising the following steps:
1) by thin-walled steel plate progress welding processing, the strong welds such as process ensures, so that prismatic U-shaped be made
Thin-walled steel plate 1.Wherein, the model Q420 of thin-walled steel plate, if being welded in I 101 upper surface of bottom plate of the U-shaped thin-walled steel plate 1
Dry peg 1011.
2) framework of steel reinforcement 2 is bound, and the framework of steel reinforcement 2 is placed into U-shaped thin-walled steel plate 1.Referring to fig. 4, institute
Stating framework of steel reinforcement 2 includes several longitudinal reinforcements 201, stirrup 202 and arrangement of reinforcement, several longitudinal reinforcements 201,202 and of stirrup
The model RRB400 of arrangement of reinforcement.
3) several presstressed reinforcing steels 3 are passed through into framework of steel reinforcement 2 and be fixed on framework of steel reinforcement 2, so that every described pre-
U-shaped thin-walled steel plate 1 is stretched out at the both ends of stress rib 3.Wherein, opening of several presstressed reinforcing steels 3 close to U-shaped thin-walled steel plate 1
End, the presstressed reinforcing steel 3 are the steel strand wires of non-binding.In use, the U-shaped Steel Thin-Wall-prestressed concrete combination beam arrangement
There is tensile region of the open end of presstressed reinforcing steel as the beam.
4) one end that several presstressed reinforcing steels 3 stretch out U-shaped thin-walled steel plate 1 is passed through to several through-holes of one block of sealing plate 4, if
It does the presstressed reinforcing steel 3 and stretches out the other end of U-shaped thin-walled steel plate 1 and pass through several through-holes of another block of sealing plate 4, and by this two pieces of institutes
Sealing plate 4 is stated to be connected on two end faces of U-shaped thin-walled steel plate 1.
5) several cover boards 5 are welded to the open end of the U-shaped thin-walled steel plate 1.By two side plates of each cover board 5
II is welded to the outside of two side plates I 102.Wherein, several cover boards 5 are distributed in the opening of U-shaped thin-walled steel plate 1
End.
6) it at the construction field (site), is poured inside Xiang Suoshu U-shaped thin-walled steel plate 1 and fills up concrete 6.Wherein, the concrete 6
For normal concrete, which meets the strength condition of prestressed concrete.
7) after the concrete 6 reaches design strength, tensioning is carried out to one end of the presstressed reinforcing steel 3.And at every
The both ends sandwiched stretch-draw anchor part 301 of the presstressed reinforcing steel 3, is anchored at each stretch-draw anchor part 301 on sealing plate 4.
Embodiment 6:
Present embodiment discloses the U-shaped for the completion that is prefabricated in the factory Steel Thin-Wall-prestressed concrete combination beams for the present embodiment
Construction method, comprising the following steps:
1) by thin-walled steel plate progress welding processing, the strong welds such as process ensures, so that prismatic U-shaped be made
Thin-walled steel plate 1.Wherein, the model Q460 of thin-walled steel plate, if being welded in I 101 upper surface of bottom plate of the U-shaped thin-walled steel plate 1
Dry peg 1011.
2) framework of steel reinforcement 2 is bound, and the framework of steel reinforcement 2 is placed into U-shaped thin-walled steel plate 1.Referring to fig. 4, institute
Stating framework of steel reinforcement 2 includes several longitudinal reinforcements 201, stirrup 202 and arrangement of reinforcement, the model of several longitudinal reinforcements 201
HRB500, the model HRB335 of stirrup 202.
3) several presstressed reinforcing steels 3 are passed through into framework of steel reinforcement 2 and be fixed on framework of steel reinforcement 2, so that every described pre-
U-shaped thin-walled steel plate 1 is stretched out at the both ends of stress rib 3.Wherein, opening of several presstressed reinforcing steels 3 close to U-shaped thin-walled steel plate 1
End, the presstressed reinforcing steel 3 are the steel strand wires of non-binding.In use, the U-shaped Steel Thin-Wall-prestressed concrete combination beam arrangement
There is tensile region of the open end of presstressed reinforcing steel as the beam.
4) one end that several presstressed reinforcing steels 3 stretch out U-shaped thin-walled steel plate 1 is passed through to several through-holes of one block of sealing plate 4, if
It does the presstressed reinforcing steel 3 and stretches out the other end of U-shaped thin-walled steel plate 1 and pass through several through-holes of another block of sealing plate 4, and by this two pieces of institutes
Sealing plate 4 is stated to be connected on two end faces of U-shaped thin-walled steel plate 1.
5) several cover boards 5 are welded to the open end of the U-shaped thin-walled steel plate 1.By two side plates of each cover board 5
II is welded to the outside of two side plates I 102.Wherein, several cover boards 5 are distributed in the opening of U-shaped thin-walled steel plate 1
End.
6) it is poured inside factory, Xiang Suoshu U-shaped thin-walled steel plate 1 and fills up concrete 6.Wherein, the concrete 6 is general
Logical concrete, the normal concrete meet the strength condition of prestressed concrete.
7) after the concrete 6 reaches design strength, tensioning is carried out to one end of the presstressed reinforcing steel 3.And at every
The both ends sandwiched stretch-draw anchor part 301 of the presstressed reinforcing steel 3, is anchored at each stretch-draw anchor part 301 on sealing plate 4.
Embodiment 7:
Present embodiment discloses the U-shaped of cast-in-place completion Steel Thin-Wall-prestressed concrete combination beam construction parties for the present embodiment
Method, comprising the following steps:
1) by thin-walled steel plate progress welding processing, the strong welds such as process ensures, so that prismatic U-shaped be made
Thin-walled steel plate 1.Wherein, the model Q345GJ of thin-walled steel plate.
2) framework of steel reinforcement 2 is bound, and the framework of steel reinforcement 2 is placed into U-shaped thin-walled steel plate 1.Referring to fig. 4, institute
Stating framework of steel reinforcement 2 includes several longitudinal reinforcement 201 and stirrup 202, the model of several longitudinal reinforcements 201 and stirrup 202
For HRBF400.
3) several bellowss are passed through across framework of steel reinforcement 2 and is fixed on framework of steel reinforcement 2, several bellowss and U-shaped are thin
The longitudinal terminal surface of wall steel plate 1 flushes；
Several presstressed reinforcing steels 3 pass through several bellowss, so that U-shaped is stretched out at the both ends of the every presstressed reinforcing steel 3
Thin-walled steel plate 1.Wherein, for several presstressed reinforcing steels 3 close to the open end of U-shaped thin-walled steel plate 1, the presstressed reinforcing steel 3 is viscous to have
The elimination stress wire connect.In use, the U-shaped Steel Thin-Wall-prestressed concrete combination beam is disposed with the opening of presstressed reinforcing steel
Hold the tensile region as the beam.
4) one end that several presstressed reinforcing steels 3 stretch out U-shaped thin-walled steel plate 1 is passed through to several through-holes of one block of sealing plate 4, if
It does the presstressed reinforcing steel 3 and stretches out the other end of U-shaped thin-walled steel plate 1 and pass through several through-holes of another block of sealing plate 4, and by this two pieces of institutes
Sealing plate 4 is stated to be connected on two end faces of U-shaped thin-walled steel plate 1.
5) several cover boards 5 are welded to the open end of the U-shaped thin-walled steel plate 1.By two side plates of each cover board 5
II is welded to the outside of two side plates I 102.Wherein, several cover boards 5 are distributed in the opening of U-shaped thin-walled steel plate 1
End.
6) it at the construction field (site), is poured inside Xiang Suoshu U-shaped thin-walled steel plate 1 and fills up concrete 6.Wherein, the concrete 6
For normal concrete, which meets the strength condition of prestressed concrete.
7) after the concrete 6 reaches design strength, tensioning is carried out to one end of the presstressed reinforcing steel 3.And at every
The both ends sandwiched stretch-draw anchor part 301 of the presstressed reinforcing steel 3, is anchored at each stretch-draw anchor part 301 on sealing plate 4.
Embodiment 8:
Present embodiment discloses the U-shaped for the completion that is prefabricated in the factory Steel Thin-Wall-prestressed concrete combination beams for the present embodiment
Construction method, comprising the following steps:
1) by thin-walled steel plate progress welding processing, the strong welds such as process ensures, so that prismatic U-shaped be made
Thin-walled steel plate 1.Wherein, the model Q235 of thin-walled steel plate.
2) framework of steel reinforcement 2 is bound, and the framework of steel reinforcement 2 is placed into U-shaped thin-walled steel plate 1.Referring to fig. 4, institute
Stating framework of steel reinforcement 2 includes several longitudinal reinforcement 201 and stirrup 202, the model of several longitudinal reinforcements 201 and stirrup 202
For HRB335.
3) several bellowss are passed through across framework of steel reinforcement 2 and is fixed on framework of steel reinforcement 2, several bellowss and U-shaped are thin
The longitudinal terminal surface of wall steel plate 1 flushes；
Several presstressed reinforcing steels 3 pass through several bellowss, so that U-shaped is stretched out at the both ends of the every presstressed reinforcing steel 3
Thin-walled steel plate 1.Wherein, for several presstressed reinforcing steels 3 close to the open end of U-shaped thin-walled steel plate 1, the presstressed reinforcing steel 3 is viscous to have
The steel strand wires connect.In use, the U-shaped Steel Thin-Wall-prestressed concrete combination beam is disposed with the open end conduct of presstressed reinforcing steel
The tensile region of the beam.
4) one end that several presstressed reinforcing steels 3 stretch out U-shaped thin-walled steel plate 1 is passed through to several through-holes of one block of sealing plate 4, if
It does the presstressed reinforcing steel 3 and stretches out the other end of U-shaped thin-walled steel plate 1 and pass through several through-holes of another block of sealing plate 4, and by this two pieces of institutes
Sealing plate 4 is stated to be connected on two end faces of U-shaped thin-walled steel plate 1.
5) several cover boards 5 are welded to the open end of the U-shaped thin-walled steel plate 1.By two side plates of each cover board 5
II is welded to the outside of two side plates I 102.Wherein, several cover boards 5 are distributed in the opening of U-shaped thin-walled steel plate 1
End.
6) it is poured inside factory, Xiang Suoshu U-shaped thin-walled steel plate 1 and fills up concrete 6.Wherein, the concrete 6 is general
Logical concrete, the normal concrete meet the strength condition of prestressed concrete.
7) after the concrete 6 reaches design strength, tensioning is carried out to one end of the presstressed reinforcing steel 3.And at every
The both ends sandwiched stretch-draw anchor part 301 of the presstressed reinforcing steel 3, is anchored at each stretch-draw anchor part 301 on sealing plate 4.
Embodiment 9:
Present embodiment discloses the U-shaped Steel Thin-Wall-prestressed concrete combination beams for pouring completion at the scene for the present embodiment
Construction method, comprising the following steps:
1) by thin-walled steel plate progress welding processing, the strong welds such as process ensures, so that prismatic U-shaped be made
Thin-walled steel plate 1.Wherein, the model Q345 of thin-walled steel plate, if being welded in I 101 upper surface of bottom plate of the U-shaped thin-walled steel plate 1
Dry peg 1011.
2) framework of steel reinforcement 2 is bound, and the framework of steel reinforcement 2 is placed into U-shaped thin-walled steel plate 1.Referring to fig. 4, institute
Stating framework of steel reinforcement 2 includes several longitudinal reinforcement 201 and stirrup 202, the model of several longitudinal reinforcements 201 and stirrup 202
For HRB400.
3) several bellowss are passed through across framework of steel reinforcement 2 and is fixed on framework of steel reinforcement 2, several bellowss and U-shaped are thin
The longitudinal terminal surface of wall steel plate 1 flushes；
Several presstressed reinforcing steels 3 pass through several bellowss, so that U-shaped is stretched out at the both ends of the every presstressed reinforcing steel 3
Thin-walled steel plate 1.Wherein, for several presstressed reinforcing steels 3 close to the open end of U-shaped thin-walled steel plate 1, the presstressed reinforcing steel 3 is viscous to have
The elimination stress wire connect.In use, the U-shaped Steel Thin-Wall-prestressed concrete combination beam is disposed with the opening of presstressed reinforcing steel
Hold the tensile region as the beam.
4) one end that several presstressed reinforcing steels 3 stretch out U-shaped thin-walled steel plate 1 is passed through to several through-holes of one block of sealing plate 4, if
It does the presstressed reinforcing steel 3 and stretches out the other end of U-shaped thin-walled steel plate 1 and pass through several through-holes of another block of sealing plate 4, and by this two pieces of institutes
Sealing plate 4 is stated to be connected on two end faces of U-shaped thin-walled steel plate 1.
5) several cover boards 5 are welded to the open end of the U-shaped thin-walled steel plate 1.By two side plates of each cover board 5
II is welded to the outside of two side plates I 102.Wherein, several cover boards 5 are distributed in the opening of U-shaped thin-walled steel plate 1
End.
6) it at the construction field (site), is poured inside Xiang Suoshu U-shaped thin-walled steel plate 1 and fills up concrete 6.Wherein, the concrete 6
For normal concrete, which meets the strength condition of prestressed concrete.
7) after the concrete 6 reaches design strength, tensioning is carried out to one end of the presstressed reinforcing steel 3.And at every
The both ends sandwiched stretch-draw anchor part 301 of the presstressed reinforcing steel 3, is anchored at each stretch-draw anchor part 301 on sealing plate 4.
Embodiment 10:
Present embodiment discloses the U-shaped for the completion that is prefabricated in the factory Steel Thin-Wall-prestressed concrete combination beams for the present embodiment
Construction method, comprising the following steps:
1) by thin-walled steel plate progress welding processing, the strong welds such as process ensures, so that prismatic U-shaped be made
Thin-walled steel plate 1.Wherein, the model Q390 of thin-walled steel plate, if being welded in I 101 upper surface of bottom plate of the U-shaped thin-walled steel plate 1
Dry peg 1011.
2) framework of steel reinforcement 2 is bound, and the framework of steel reinforcement 2 is placed into U-shaped thin-walled steel plate 1.Referring to fig. 4, institute
Stating framework of steel reinforcement 2 includes several longitudinal reinforcement 201 and stirrup 202, the model of several longitudinal reinforcements 201 and stirrup 202
For RRB400.
3) several bellowss are passed through across framework of steel reinforcement 2 and is fixed on framework of steel reinforcement 2, several bellowss and U-shaped are thin
The longitudinal terminal surface of wall steel plate 1 flushes；
Several presstressed reinforcing steels 3 pass through several bellowss, so that U-shaped is stretched out at the both ends of the every presstressed reinforcing steel 3
Thin-walled steel plate 1.Wherein, for several presstressed reinforcing steels 3 close to the open end of U-shaped thin-walled steel plate 1, the presstressed reinforcing steel 3 is viscous to have
The steel strand wires connect.In use, the U-shaped Steel Thin-Wall-prestressed concrete combination beam is disposed with the open end conduct of presstressed reinforcing steel
The tensile region of the beam.
4) one end that several presstressed reinforcing steels 3 stretch out U-shaped thin-walled steel plate 1 is passed through to several through-holes of one block of sealing plate 4, if
It does the presstressed reinforcing steel 3 and stretches out the other end of U-shaped thin-walled steel plate 1 and pass through several through-holes of another block of sealing plate 4, and by this two pieces of institutes
Sealing plate 4 is stated to be connected on two end faces of U-shaped thin-walled steel plate 1.
5) several cover boards 5 are welded to the open end of the U-shaped thin-walled steel plate 1.By two side plates of each cover board 5
II is welded to the outside of two side plates I 102.Wherein, several cover boards 5 are distributed in the opening of U-shaped thin-walled steel plate 1
End.
6) it is poured inside factory, Xiang Suoshu U-shaped thin-walled steel plate 1 and fills up concrete 6.Wherein, the concrete 6 is general
Logical concrete, the normal concrete meet the strength condition of prestressed concrete.
7) after the concrete 6 reaches design strength, tensioning is carried out to one end of the presstressed reinforcing steel 3.And at every
The both ends sandwiched stretch-draw anchor part 301 of the presstressed reinforcing steel 3, is anchored at each stretch-draw anchor part 301 on sealing plate 4.
Embodiment 11:
Present embodiment discloses the U-shaped Steel Thin-Wall-prestressed concrete combination beams for pouring completion at the scene for the present embodiment
Construction method, comprising the following steps:
1) by thin-walled steel plate progress welding processing, the strong welds such as process ensures, so that prismatic U-shaped be made
Thin-walled steel plate 1.Wherein, the model Q420 of thin-walled steel plate, if being welded in I 101 upper surface of bottom plate of the U-shaped thin-walled steel plate 1
Dry peg 1011.
2) framework of steel reinforcement 2 is bound, and the framework of steel reinforcement 2 is placed into U-shaped thin-walled steel plate 1.Referring to fig. 4, institute
Stating framework of steel reinforcement 2 includes several longitudinal reinforcements 201, stirrup 202 and arrangement of reinforcement, several longitudinal reinforcements 201,202 and of stirrup
The model HRB400 of arrangement of reinforcement.
3) several presstressed reinforcing steels 3 are passed through across framework of steel reinforcement 2 and is fixed on framework of steel reinforcement 2, so that every institute
U-shaped thin-walled steel plate 1 is stretched out at the both ends for stating presstressed reinforcing steel 3.Wherein, several presstressed reinforcing steels 3 are close to U-shaped thin-walled steel plate 1
Open end, the presstressed reinforcing steel 3 are the middle intensity compressor wire of non-binding.In use, the U-shaped Steel Thin-Wall-prestressing force is mixed
Solidifying soil combination beam is disposed with tensile region of the open end as the beam of presstressed reinforcing steel.
4) one end that several presstressed reinforcing steels 3 stretch out U-shaped thin-walled steel plate 1 is passed through to several through-holes of one block of sealing plate 4, if
It does the presstressed reinforcing steel 3 and stretches out the other end of U-shaped thin-walled steel plate 1 and pass through several through-holes of another block of sealing plate 4, and by this two pieces of institutes
Sealing plate 4 is stated to be connected on two end faces of U-shaped thin-walled steel plate 1.
5) it at the construction field (site), is poured inside Xiang Suoshu U-shaped thin-walled steel plate 1 and fills up concrete 6.Wherein, the concrete 6
For normal concrete, which meets the strength condition of prestressed concrete.
6) after the concrete 6 reaches design strength, tensioning is carried out to one end of the presstressed reinforcing steel 3.And at every
The both ends sandwiched stretch-draw anchor part 301 of the presstressed reinforcing steel 3, is anchored at each stretch-draw anchor part 301 on sealing plate 4.
Embodiment 12:
Present embodiment discloses the U-shaped Steel Thin-Wall-prestressed concrete combination beams for pouring completion at the scene for the present embodiment
Construction method, comprising the following steps:
1) by thin-walled steel plate progress welding processing, the strong welds such as process ensures, so that prismatic U-shaped be made
Thin-walled steel plate 1.Wherein, the model Q345 of thin-walled steel plate, if being welded in I 101 upper surface of bottom plate of the U-shaped thin-walled steel plate 1
Dry peg 1011.
2) framework of steel reinforcement 2 is bound, and the framework of steel reinforcement 2 is placed into U-shaped thin-walled steel plate 1.Referring to fig. 4, institute
State framework of steel reinforcement 2 include several longitudinal reinforcement 201 and stirrup 202, the model HRBF500 of several longitudinal reinforcements 201,
The model HRB335 of stirrup 202.
3) several bellowss are passed through across framework of steel reinforcement 2 and is fixed on framework of steel reinforcement 2, several bellowss and U-shaped are thin
The longitudinal terminal surface of wall steel plate 1 flushes；
Several presstressed reinforcing steels 3 pass through several bellowss, so that U-shaped is stretched out at the both ends of the every presstressed reinforcing steel 3
Thin-walled steel plate 1.Wherein, for several presstressed reinforcing steels 3 close to the open end of U-shaped thin-walled steel plate 1, the presstressed reinforcing steel 3 is viscous to have
The steel strand wires connect.In use, the U-shaped Steel Thin-Wall-prestressed concrete combination beam is disposed with the open end conduct of presstressed reinforcing steel
The tensile region of the beam.
4) one end that several presstressed reinforcing steels 3 stretch out U-shaped thin-walled steel plate 1 is passed through to several through-holes of one block of sealing plate 4, if
It does the presstressed reinforcing steel 3 and stretches out the other end of U-shaped thin-walled steel plate 1 and pass through several through-holes of another block of sealing plate 4, and by this two pieces of institutes
Sealing plate 4 is stated to be connected on two end faces of U-shaped thin-walled steel plate 1.
5) several cover boards 5 are welded to the open end of the U-shaped thin-walled steel plate 1.By two side plates of each cover board 5
II is welded to the outside of two side plates I 102.Wherein, several cover boards 5 are tightly distributed in the opening of U-shaped thin-walled steel plate 1
End.
6) it at the construction field (site), is poured inside Xiang Suoshu U-shaped thin-walled steel plate 1 and fills up concrete 6.Wherein, the concrete 6
For normal concrete, which meets the strength condition of prestressed concrete.
7) after the concrete 6 reaches design strength, tensioning is carried out to one end of the presstressed reinforcing steel 3.And at every
The both ends sandwiched stretch-draw anchor part 301 of the presstressed reinforcing steel 3, is anchored at each stretch-draw anchor part 301 on sealing plate 4.
Claims (8)
1.U shape Steel Thin-Wall-prestressed concrete combination beam, it is characterised in that: including U-shaped thin-walled steel plate (1), framework of steel reinforcement (2)
With several presstressed reinforcing steels (3)；
The cross section of the U-shaped thin-walled steel plate (1) is U-shaped, and it is closed bottom surface that the upper end, which has opening, lower end,；
It is the internal cavities of U-shaped thin-walled steel plate (1) below the opening；
The lateral length direction of the internal cavities is the longitudinal direction of U-shaped thin-walled steel plate (1), the longitudinal length side of the internal cavities
To the transverse direction for U-shaped thin-walled steel plate (1)；
The part of the internally positioned cavity two sides of U-shaped thin-walled steel plate (1) is denoted as side plate I (102)；The U-shaped thin-walled steel plate (1)
The part of the lower section of internally positioned cavity is denoted as bottom plate I (101)；
Longitudinal both ends of the U-shaped thin-walled steel plate (1) are welded with sealing plate (4)；
In the internally positioned cavity of several presstressed reinforcing steels (3)；Each presstressed reinforcing steel (3) forms prestressing force by tensioning
Afterwards, both ends are anchored on sealing plate (4)；
The inner space of the U-shaped thin-walled steel plate (1) pours and fills up concrete (6).
2. U-shaped Steel Thin-Wall-prestressed concrete combination beam according to claim 1, it is characterised in that: the bottom plate I
(101) inner surface is welded with several pegs (1011).
3. U-shaped Steel Thin-Wall-prestressed concrete combination beam according to claim 1, it is characterised in that: the U-shaped thin-walled
The inner space of steel plate (1) is provided with framework of steel reinforcement (2), and several presstressed reinforcing steels (3) pass through framework of steel reinforcement (2), the steel
Tendons skeleton (2) is for fixing presstressed reinforcing steel (3).
4. U-shaped Steel Thin-Wall-prestressed concrete combination beam according to claim 1, it is characterised in that: the U-shaped thin-walled
The open end of steel plate (1) is welded with several cover boards (5).
5. U-shaped Steel Thin-Wall-prestressed concrete combination beam according to claim 1, it is characterised in that: the U-shaped thin-walled
Steel plate (1) is formed by thin-walled steel plate by clod wash, splicing or welding processing.
6. U-shaped Steel Thin-Wall-prestressed concrete combination beam according to claim 1, it is characterised in that: the presstressed reinforcing steel
It (3) is the compressor wire, the steel strand wires for having cementability, the prestressing force spiral for having cementability, non-binding for having cementability
Compressor wire, the steel strand wires of non-binding or the prestressing force spiral of non-binding.
7. the construction method based on U-shaped Steel Thin-Wall-prestressed concrete combination beam described in claim 1, it is characterised in that: packet
Include following steps:
1) thin-walled steel plate is subjected to clod wash, splicing or welding processing, so that the U-shaped thin-walled steel plate (1) be made；In the U-shaped
Weld several pegs (1011) in the inside of thin-walled steel plate (1)；
2) framework of steel reinforcement (2) is bound, and the framework of steel reinforcement (2) is placed into the internal cavities of U-shaped thin-walled steel plate (1)；
3) several presstressed reinforcing steels (3) pass through framework of steel reinforcement (2) and are fixed on framework of steel reinforcement (2), so that every described pre-
U-shaped thin-walled steel plate (1) is stretched out at the both ends of stress rib (3)；Wherein, several presstressed reinforcing steels (3) are close to U-shaped thin-walled steel plate
(1) open end；
4) one end that several presstressed reinforcing steels (3) stretch out U-shaped thin-walled steel plate (1) passes through several through-holes of one piece of sealing plate (4), if
Do the presstressed reinforcing steel (3) stretch out U-shaped thin-walled steel plate (1) the other end pass through another piece of sealing plate (4) several through-holes, and by this
Two pieces of sealing plates (4) are connected on two end faces of U-shaped thin-walled steel plate (1)；
5) it pours inside Xiang Suoshu U-shaped thin-walled steel plate (1) and fills up concrete (6)；
6) after the concrete (6) reaches design strength, tensioning is carried out to the one or both ends of the presstressed reinforcing steel (3)；And
In the both ends sandwiched stretch-draw anchor part (301) of the every presstressed reinforcing steel (3), make each stretch-draw anchor part (301) anchoring
On sealing plate (4).
8. the construction method based on U-shaped Steel Thin-Wall-prestressed concrete combination beam described in claim 1, it is characterised in that: packet
Include following steps:
1) thin-walled steel plate is subjected to clod wash, splicing or welding processing, so that the U-shaped thin-walled steel plate (1) be made；In the U-shaped
Weld several pegs (1011) in the inside of thin-walled steel plate (1)；
2) framework of steel reinforcement (2) is bound, and the framework of steel reinforcement (2) is placed into the internal cavities of U-shaped thin-walled steel plate (1)；
3) several presstressed reinforcing steels (3) pass through framework of steel reinforcement (2) and are fixed on framework of steel reinforcement (2), so that every described pre-
U-shaped thin-walled steel plate (1) is stretched out at the both ends of stress rib (3)；Wherein, several presstressed reinforcing steels (3) are close to U-shaped thin-walled steel plate
(1) open end；
4) one end that several presstressed reinforcing steels (3) stretch out U-shaped thin-walled steel plate (1) passes through several through-holes of one piece of sealing plate (4), if
Do the presstressed reinforcing steel (3) stretch out U-shaped thin-walled steel plate (1) the other end pass through another piece of sealing plate (4) several through-holes, and by this
Two pieces of sealing plates (4) are connected on two end faces of U-shaped thin-walled steel plate (1)；
5) tensioning is carried out to the one or both ends of the presstressed reinforcing steel (3)；And in the both ends sandwiched of the every presstressed reinforcing steel (3)
Stretch-draw anchor part (301) is anchored at each stretch-draw anchor part (301) on sealing plate (4)；
6) it pours inside Xiang Suoshu U-shaped thin-walled steel plate (1) and fills up concrete (6).
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111139791A (en) * | 2019-12-30 | 2020-05-12 | 湖北省水利水电规划勘测设计院 | Prestressed aqueduct bellows location net piece structure |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060090406A (en) * | 2005-02-05 | 2006-08-11 | 유성근 | Steel beam with u-shaped connector and steel composite beam using the steel beam |
| CN103452039A (en) * | 2013-09-13 | 2013-12-18 | 上海市城市建设设计研究总院 | Cast-in-situ inverted-T-shaped bent cap and pier and pier construction process |
| CN103835435A (en) * | 2014-03-07 | 2014-06-04 | 江苏中宝钢构有限公司 | U-shaped steel-concrete composite beam |
| CN105089204A (en) * | 2015-05-12 | 2015-11-25 | 重庆大学 | Cold-formed thin-walled ribbed U-shaped steel-encased concrete laminated slab composite beam |
| KR101621341B1 (en) * | 2015-09-30 | 2016-05-16 | (주)에스앤씨산업 | Open type prestressed steel box girder and bridge construction method therewith |
| CN108316554A (en) * | 2018-04-19 | 2018-07-24 | 上海欧本钢结构有限公司 | A kind of steel ripple crust and prestressed concrete combination beam and its construction method |
| CN211228064U (en) * | 2019-07-11 | 2020-08-11 | 重庆大学 | U-shaped thin-wall steel-prestressed concrete combined beam |
-
2019
- 2019-07-11 CN CN201910623723.XA patent/CN110396914A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060090406A (en) * | 2005-02-05 | 2006-08-11 | 유성근 | Steel beam with u-shaped connector and steel composite beam using the steel beam |
| CN103452039A (en) * | 2013-09-13 | 2013-12-18 | 上海市城市建设设计研究总院 | Cast-in-situ inverted-T-shaped bent cap and pier and pier construction process |
| CN103835435A (en) * | 2014-03-07 | 2014-06-04 | 江苏中宝钢构有限公司 | U-shaped steel-concrete composite beam |
| CN105089204A (en) * | 2015-05-12 | 2015-11-25 | 重庆大学 | Cold-formed thin-walled ribbed U-shaped steel-encased concrete laminated slab composite beam |
| KR101621341B1 (en) * | 2015-09-30 | 2016-05-16 | (주)에스앤씨산업 | Open type prestressed steel box girder and bridge construction method therewith |
| CN108316554A (en) * | 2018-04-19 | 2018-07-24 | 上海欧本钢结构有限公司 | A kind of steel ripple crust and prestressed concrete combination beam and its construction method |
| CN211228064U (en) * | 2019-07-11 | 2020-08-11 | 重庆大学 | U-shaped thin-wall steel-prestressed concrete combined beam |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111139791A (en) * | 2019-12-30 | 2020-05-12 | 湖北省水利水电规划勘测设计院 | Prestressed aqueduct bellows location net piece structure |
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