CN102518258A - Lattice type single-row reinforcement T-shaped cross section concrete column and construction method thereof - Google Patents
Lattice type single-row reinforcement T-shaped cross section concrete column and construction method thereof Download PDFInfo
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Abstract
The invention relates to a lattice type single-row reinforcement T-shaped cross section concrete column and a construction method thereof, and belongs to the field of damping and disaster prevention. The lattice type single-row reinforcement T-shaped cross section concrete column of the invention comprises concrete 1, a ladder lattice-shaped common reinforcing steel bar net 2, lattice single-row reinforcement nets 3, and binding reinforcing steel bars 4. The T-shaped column reinforcing steel bar framework is the T-shaped structure. The three pieces of the lattice single-row reinforcement nets 3 are welded into the three limbs of the T-shaped structure. The ladder lattice-shaped common reinforcing steel bar net 2 is vertically welded on the end parts of the three limbs of the T-shaped lattice single-row reinforcement net. The binding reinforcing steel bars 4 are vertically welded on the horizontal level reinforcing steel bar center position of the common reinforcing steel bar net 2, and are arranged equidistantly along the column height direction. According to the present invention, the lattice type single-row reinforcement T-shaped cross section concrete column adopts the single-row reinforcement, such that the construction is simple, and the use amount of the reinforcing steel bars is less; the lattice reinforcing steel bar sheets are welded to form the reinforcement, such that the industrial production is easily achieved; the lattice reinforcement is adopted, and the shear resistance of the diagonal web reinforcement is good, such that the brittle shear failure of the special-shaped cross section short column can be prevented, and the seismic ductility of the column is improved.
Description
Technical field
The present invention relates to a kind of lattice single-row reinforcement T section concrete column and the practice, belong to a kind of novel practical, cheap and be applicable to the lattice single-row reinforcement T section concrete column and the practice of village-town house.
Background technology
Earthquake is as a kind of unpredictable, natural calamity that destructive power is extremely strong, and all previous generation has brought tremendous loss all for the people's life and property.China is in the multiple phase of earthquake in recent years, and 17 secondary earthquake disasters only just took place in 2006, Wenchuan earthquake wherein, and just nearly 6,451 hundred million yuan of the economic losses that causes are surplus dead and wounded number reaches ten ten thousand.China's seismic region distribution simultaneously is wide, and the area of fortification intensity more than 6 degree reach accounts for more than 60% of area, and is in area, villages and small towns underdeveloped mostly.Because economic cause, these regional houses adopt the masonry load-carrying members mostly, and most of house do not adopt anti-seismic construction measure, and such masonry building belongs to friable structure, and anti-seismic performance is relatively poor, very easily collapses when meeting with larger earthquake.Domestic anti-seismic technology research at present; Concentrate on high level, superelevation layer and large-span structure aspect mostly, less to the villages and small towns earthquake research, and all previous earthquake disaster is when taking place; What loss was the most heavy often is exactly vast area, villages and small towns, and this point has just been explained in Wenchuan earthquake and cajaput earthquake.
The main constructional materials of brick house is a loam brick, and its main source is ploughed exactly.China ploughs and only deposits 1,600,000,000 mu, and per capita area of cultivated farmland is lower than 1/3 of world average level, and because firing of loam brick makes the speed minimizing of arable land with millions of mu of every year.Therefore, China presses for and carries out the materials for wall innovation, thoroughly abolishes loam brick, replaces the new structure and the material of safety, environmental protection, antidetonation.The shaped pile frame lightweight wall construction is hidden into pillar in the body of wall, has effectively increased building area, has improved the function of use of building, and makes the aesthetic interior of residential structure smooth; Space enclosing structure is taked the lightweight body of wall, and dead load is alleviated, and geological process is little.Therefore, the shaped pile frame lightweight wall construction has become replacement brick mix structure important structure form, and current has been the energy-saving residence form of structure that China's emphasis is promoted.
Traditional shaped pile frame lightweight wall construction is used for multilayer and little high residential building structure more, and the equal more complicated of technical scheme and job practices, construction costs are also higher, are not suitable in the architectural structure system of villages and small towns.Therefore, research economical rationality, the receptible shaped pile frame lightweight wall construction of masses system solve problems such as house, villages and small towns globality is poor, shock resistance weakness, thermal and insulating performance difference, have important economy and society and are worth.
Summary of the invention
The object of the present invention is to provide a kind of lattice single-row reinforcement T section concrete column and practice, problems such as house, villages and small towns globality is poor in the hope of solving, shock resistance weakness, thermal and insulating performance difference with advantages such as simple structure, cheap, easy construction, anti-seismic performance are good.
The present invention adopts following technical scheme:
Lattice single-row reinforcement T section concrete column, it is made up of concrete 1, terraced trellis steel mesh reinforcement 2, lattice single-row reinforcement net 3, steel tie 4, it is characterized in that: this T shape post cage of reinforcement is T-shaped, and three lattice single-row reinforcement nets 3 are welded into three limbs of T shape; Ladder trellis steel mesh reinforcement 2 is welded on T shape lattice single-row reinforcement net three outlimbs, and the axis of terraced trellis steel mesh reinforcement 2 is crossed on the plane of lattice single-row reinforcement net 3; Said terraced trellis steel mesh reinforcement 2 is welded into terraced trellis by two vertical reinforcements and some transverse horizontal reinforcing bars; Said lattice single-row reinforcement net 3 is positioned on the concrete column kernel of section line; Constitute by vertical reinforcement and the oblique abdomen muscle of the W shape between vertical reinforcement; Steel tie 4 is vertically welded in the transverse horizontal reinforcing bar center of terraced trellis steel mesh reinforcement 2, equidistantly arranges along the high direction of post; Like this, terraced trellis steel mesh reinforcement 2, lattice single-row reinforcement net 3, steel tie 4 form T steel muscles and bones frame through welding.
Column section is a T shape, is positioned at wall T shape corner in length and breadth; The limb of T shape post is long: limb is thick=and 2～4, the thick wall thickness of getting of limb, limb length is got the integral multiple of 300mm.
Concrete 1 is ordinary concrete or regeneration concrete, and regeneration concrete refers in concrete, be mixed with regenerated coarse aggregate, or is mixed with recycled fine aggregate, or is mixed with regenerated coarse aggregate and recycled fine aggregate simultaneously; The regenerated coarse aggregate that is mixed with and the ratio of recycled fine aggregate are 0%～100%; When the regeneration aggregate ratio that is mixed with is 100%, be full regeneration concrete post; When being mixed with regeneration aggregate when being 0%, be the ordinary concrete post.
The reinforcing bar grade of said terraced trellis steel mesh reinforcement 2 adopts HRB335 level or HRB400 level; The vertical reinforcement spacing is the thick twice protective layer thickness that deducts of wall limb; The transverse horizontal bar diameter is 6～10mm, and its vertical spacing satisfies the requirement of shear-carrying capacity.
Reinforcing bar grade in the lattice single-row reinforcement net 3 adopts HRB335 level or HRB400 level; Oblique abdomen muscle is controlled at 30 degree or 45 degree with vertical angle inclination angle; The vertical reinforcement spacing is taken as 300mm.
Steel tie 4 is the HPB235 grade reinforcing steel of diameter 6mm, and an end is anchored in the post, and with the transverse horizontal reinforcing bar welding of terraced trellis steel mesh reinforcement 2, the other end stretches into body of wall and wallboard or plate brick drawknot.
The preparation method of described lattice single-row reinforcement T section concrete column, said concrete column is prefabricated post or cast-in-place post, its production order is following:
A chooses vertical muscle and horizontal bar, is welded into terraced trellis steel mesh reinforcement 2;
B chooses reinforcing bar and is bent into the oblique abdomen muscle of lattice W shape, and distance is 300mm between the inflection point;
C puts 3 vertical reinforcements, and distance is got 300mm between vertical reinforcement, the oblique abdomen muscle of lattice W shape that welding step b bending is shaped between vertical reinforcement, and the pad of 2 lattice abdomen muscle staggers up and down during welding, forms lattice single-row reinforcement net 3;
D is welded into T shape with two single-row reinforcement nets 3, and 3 vertical reinforcements of T shape corner carry out multiple spot welding;
E is at the terraced trellis steel mesh reinforcement 2 of the end welding step a welding fabrication of T shape lattice single-row reinforcement net three limbs; Ladder trellis steel mesh reinforcement 2 is vertical with the end of the lattice single-row reinforcement net 3 of T shape; Pad is arranged in the center of the horizontal reinforcement of terraced trellis steel mesh reinforcement 2, forms T shape single-row reinforcement skeleton;
F is anchored in steel tie 4 in the T shape single-row reinforcement skeleton, and with the welding of the horizontal reinforcement of terraced trellis steel mesh reinforcement 2, steel tie 4 is along pitch arrangement such as post height;
G props up template, concreting 1 forms lattice single-row reinforcement T section concrete column.
When prefabricated, the terraced trellis steel mesh reinforcement 2 of reserving a segment length at the post two ends with lattice single-row reinforcement net 3 in case with grade beam and Vierendeel girder anchoring.
The present invention can obtain following beneficial effect: the present invention adopts single-row reinforcement, and construction is simple, and amount of reinforcement is few; Constitute arrangement of reinforcement by welding lattice reinforcing bar sheet, be suitable for suitability for industrialized production; Adopt the lattice arrangement of reinforcement, tiltedly the shearing resistance of abdomen muscle is good, can prevent odd-shaped cross section short column brittle shear destruction, improves the post anti-earthquake ductility; Combining closely with lacking muscle and ecological wallboard or Biological blocks for walls in the column section end, plays and strengthen house globality and the purpose that promotes whole shock-resistant and energy-dissipating ability.
Description of drawings:
Fig. 1 is lattice single-row reinforcement T section concrete column sectional reinforcement figure;
Fig. 2 is terraced trellis plain bars net sheet constructional drawing;
Fig. 3 is a lattice single-row reinforcement net constructional drawing;
Fig. 4 is a T steel muscles and bones frame stereogram;
Fig. 5 is a lattice single-row reinforcement T section concrete column stereogram;
The 1-concrete; 2-plain bars net sheet; The single steel mesh reinforcement of 3-lattice; The 4-steel tie;
The specific embodiment:
Do further explanation below in conjunction with the accompanying drawing and the specific embodiment for the present invention.
Like Fig. 1 to lattice single-row reinforcement T section concrete column shown in Figure 5; It is made up of concrete 1, terraced trellis steel mesh reinforcement 2, lattice single-row reinforcement net 3, steel tie 4; It is characterized in that: this T shape post cage of reinforcement is T-shaped, and three lattice single-row reinforcement nets 3 are welded into three limbs of T shape; Ladder trellis steel mesh reinforcement 2 is welded on T shape lattice single-row reinforcement net three outlimbs, and the axis of terraced trellis steel mesh reinforcement 2 is crossed on the plane of lattice single-row reinforcement net 3; Said terraced trellis steel mesh reinforcement 2 is welded into terraced trellis by two vertical reinforcements and some transverse horizontal reinforcing bars; Said lattice single-row reinforcement net 3 is positioned on the concrete column kernel of section line; Constitute by vertical reinforcement and the oblique abdomen muscle of the W shape between vertical reinforcement; Steel tie 4 is vertically welded in the transverse horizontal reinforcing bar center of terraced trellis steel mesh reinforcement 2, equidistantly arranges along the high direction of post; Like this, terraced trellis steel mesh reinforcement 2, lattice single-row reinforcement net 3, steel tie 4 form T steel muscles and bones frame through welding.
Column section is a T shape, is positioned at wall T shape corner in length and breadth; The limb of T shape post is long: limb is thick=and 2～4, the thick wall thickness of getting of limb, limb length is got the integral multiple of 300mm.
Concrete 1 is ordinary concrete or regeneration concrete, and regeneration concrete refers in concrete, be mixed with regenerated coarse aggregate, or is mixed with recycled fine aggregate, or is mixed with regenerated coarse aggregate and recycled fine aggregate simultaneously; The regenerated coarse aggregate that is mixed with and the ratio of recycled fine aggregate are 0%～100%; When the regeneration aggregate ratio that is mixed with is 100%, be full regeneration concrete post; When being mixed with regeneration aggregate when being 0%, be the ordinary concrete post.
The reinforcing bar grade of said terraced trellis steel mesh reinforcement 2 adopts HRB335 level or HRB400 level; The vertical reinforcement spacing is the thick twice protective layer thickness that deducts of wall limb; The transverse horizontal bar diameter is 6～10mm, and its vertical spacing satisfies the requirement of shear-carrying capacity.
Reinforcing bar grade in the lattice single-row reinforcement net 3 adopts HRB335 level or HRB400 level; Oblique abdomen muscle is controlled at 30 degree or 45 degree with vertical angle inclination angle; The vertical reinforcement spacing is taken as 300mm.
Steel tie 4 is the HPB235 grade reinforcing steel of diameter 6mm, and an end is anchored in the post, and with the transverse horizontal reinforcing bar welding of terraced trellis steel mesh reinforcement 2, the other end stretches into body of wall and wallboard or plate brick drawknot.
Above-mentioned lattice single-row reinforcement T section concrete column, its technical scheme production order is following:
A) choose suitable vertical muscle and horizontal bar, be welded into terraced trellis plain bars net 2;
B) choose suitable reinforcing bar and be bent into lattice abdomen muscle, distance is 300mm between the inflection point;
C) put 3 vertical reinforcements, distance is got 300mm between vertical reinforcement, the lattice abdomen muscle that welding step 2 bendings are shaped between vertical reinforcement, and the pad of 2 lattice abdomen muscle staggers up and down during welding, forms lattice single-row reinforcement net 3;
D) three single-row reinforcement nets 3 are welded into T shape, 3 vertical reinforcements of T shape corner carry out multiple spot welding;
E) at the terraced trellis plain bars net 2 of end welding step 1 welding fabrication of T shape lattice single-row reinforcement net two limbs; Plain bars net 2 is vertical with the end of T shape lattice single-row reinforcement net; Pad is positioned at the center of plain bars net 2 horizontal reinforcements, forms T shape single-row reinforcement skeleton;
F) steel tie 4 is anchored in the T shape single-row reinforcement skeleton, and with the welding of the horizontal reinforcement of plain bars net 2, steel tie 4 is along pitch arrangement such as post height, its length and spacing meet construction module and relative configurations requirement;
G) prop up template, concreting 1 (when prefabricated, reserve certain-length plain bars net sheet 2 and lattice single-row reinforcement net 3 at the post two ends, so that with grade beam and Vierendeel girder anchoring) and form lattice single-row reinforcement T section concrete column.
More than be an exemplary embodiments of the present invention, enforcement of the present invention is not limited thereto.
Claims (8)
1. lattice single-row reinforcement T section concrete column; It is characterized in that: it is made up of concrete (1), terraced trellis steel mesh reinforcement (2), lattice single-row reinforcement net (3), steel tie (4); It is characterized in that: this T shape post cage of reinforcement is T-shaped, and three lattice single-row reinforcement nets (3) are welded into three limbs of T shape; Ladder trellis steel mesh reinforcement (2) is welded on T shape lattice single-row reinforcement net three outlimbs, and the axis of terraced trellis steel mesh reinforcement (2) is crossed on the plane of lattice single-row reinforcement net (3); Said terraced trellis steel mesh reinforcement (2) is welded into terraced trellis by two vertical reinforcements and some transverse horizontal reinforcing bars; Said lattice single-row reinforcement net (3) is positioned on the concrete column kernel of section line; Constitute by vertical reinforcement and the oblique abdomen muscle of the W shape between vertical reinforcement; Steel tie (4) is vertically welded in the transverse horizontal reinforcing bar center of terraced trellis steel mesh reinforcement (2), equidistantly arranges along the high direction of post; Like this, terraced trellis steel mesh reinforcement (2), lattice single-row reinforcement net (3), steel tie (4) form T steel muscles and bones frame through welding.
2. according to the said lattice single-row reinforcement of claim 1 T section concrete column, it is characterized in that: column section is a T shape, is positioned at wall T shape corner in length and breadth; The limb of T shape post is long: limb is thick=and 2～4, the thick wall thickness of getting of limb, limb length is got the integral multiple of 300mm.
3. according to the said lattice single-row reinforcement of claim 1 T section concrete column; It is characterized in that: concrete (1) is ordinary concrete or regeneration concrete; Regeneration concrete refers in concrete, be mixed with regenerated coarse aggregate; Or be mixed with recycled fine aggregate, or be mixed with regenerated coarse aggregate and recycled fine aggregate simultaneously; The regenerated coarse aggregate that is mixed with and the ratio of recycled fine aggregate are 0%～100%; When the regeneration aggregate ratio that is mixed with is 100%, be full regeneration concrete post; When being mixed with regeneration aggregate when being 0%, be the ordinary concrete post.
4. according to the said lattice single-row reinforcement of claim 1 T section concrete column, it is characterized in that: the reinforcing bar grade of said terraced trellis steel mesh reinforcement (2) adopts HRB335 level or HRB400 level; The vertical reinforcement spacing is the thick twice protective layer thickness that deducts of wall limb; The transverse horizontal bar diameter is 6～10mm, and its vertical spacing satisfies the requirement of shear-carrying capacity.
5. according to the said lattice single-row reinforcement of claim 1 T section concrete column, it is characterized in that: the reinforcing bar grade in the lattice single-row reinforcement net (3) adopts HRB335 level or HRB400 level; Oblique abdomen muscle is controlled at 30 degree or 45 degree with vertical angle inclination angle; The vertical reinforcement spacing is taken as 300mm.
6. according to the said lattice single-row reinforcement of claim 1 T section concrete column; It is characterized in that: steel tie (4) is the HPB235 grade reinforcing steel of diameter 6mm; One end is anchored in the post, and with the transverse horizontal reinforcing bar welding of terraced trellis steel mesh reinforcement (2), the other end stretches into body of wall and wallboard or plate brick drawknot.
7. according to the preparation method of the described lattice single-row reinforcement of last one arbitrary claim T section concrete column, it is characterized in that: said concrete column is prefabricated post or cast-in-place post, and its production order is following:
A) choose vertical muscle and horizontal bar, be welded into terraced trellis steel mesh reinforcement (2);
B) choose reinforcing bar and be bent into the oblique abdomen muscle of lattice W shape, distance is 300mm between the inflection point;
C) put 3 vertical reinforcements, distance is got 300mm, welding step b between vertical reinforcement between vertical reinforcement) bend the oblique abdomen muscle of lattice W shape that is shaped, the pad of 2 lattice abdomen muscle staggers up and down during welding, forms lattice single-row reinforcement net (3);
D) two single-row reinforcement nets (3) are welded into T shape, 3 vertical reinforcements of T shape corner carry out multiple spot welding;
E) at a) the terraced trellis steel mesh reinforcement (2) of welding fabrication of the end welding step of T shape lattice single-row reinforcement net three limbs; Ladder trellis steel mesh reinforcement (2) is vertical with the end of the lattice single-row reinforcement net (3) of T shape; Pad is arranged in the center of the horizontal reinforcement of terraced trellis steel mesh reinforcement (2), forms T shape single-row reinforcement skeleton;
F) steel tie (4) is anchored in the T shape single-row reinforcement skeleton, and with the welding of the horizontal reinforcement of terraced trellis steel mesh reinforcement (2), steel tie (4) is along pitch arrangement such as post height;
G) prop up template, concreting (1) formation lattice single-row reinforcement T section concrete column.
8. the preparation method of T section concrete column according to claim 7 is characterized in that: when prefabricated, reserve at the post two ends segment length terraced trellis steel mesh reinforcement (2) and lattice single-row reinforcement net (3) in case with grade beam and Vierendeel girder anchoring.
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Cited By (2)
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| CN103485484A (en) * | 2013-09-16 | 2014-01-01 | 南京工业大学 | Steel rib concrete special-shaped column with T-shaped section and quadrangular hole formed in steel rib web |
| CN104295003A (en) * | 2014-09-26 | 2015-01-21 | 中建七局第二建筑有限公司 | Structural column construction method |
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