CN103993741A - Method for building anti-seismic bricked formwork constructional column - Google Patents
Method for building anti-seismic bricked formwork constructional column Download PDFInfo
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- CN103993741A CN103993741A CN201410248585.9A CN201410248585A CN103993741A CN 103993741 A CN103993741 A CN 103993741A CN 201410248585 A CN201410248585 A CN 201410248585A CN 103993741 A CN103993741 A CN 103993741A
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Abstract
The invention belongs to the technical field of masonry house anti-seismic design and construction and provides a method for building an anti-seismic bricked formwork constructional column. The method comprises the following steps that a brick formwork and a brick wall are bricked, a steel reinforcement framework is installed, steel tie meshes are placed, concrete is poured, and the constructional column is formed. According to the method for building the anti-seismic bricked formwork constructional column, a small-sized clay brick bricked framework is adopted, and wall-column integrated formwork erecting and pouring of a reinforced concrete column can be conducted at a brick wall joint which is of a cross shape, or a T shape or an L shape; the reinforced concrete column and an ordinary-size brick wall are connected into a whole through bricked framework combed joints and the steel tie meshes, and the anti-seismic property of the masonry structure can be effectively improved. Compared with an existing constructional column constructed according to the earthquake resistant code, the three types of constructional columns have the advantages that the sectional area is reduced, the boundary of connection between each constructional column and a wall is increased, and the function of retraining the wall is improved. A conventional steel and wood formwork is replaced by the bricked framework, the formwork erecting cost can be effectively reduced, the construction period can be effectively shortened, integrated combination of the constructional columns and the brick walls can be achieved easily, and the consistency of the appearance of a building is achieved easily.
Description
Technical field
The present invention relates to a kind of construction method of brick formwork aseismatic structural column, belong to seismic design, reinforcing and the technical field of construction of multi-story masonry building.
Background technology
At present, the most population of China is lived in rural area and small towns, and the masonry house great majority of inhabitation are not according to shockproof requirements design and take construction measure.In Wenchuan earthquake in 2008, the masonry house that is positioned at 6 degree and above earthquake intensity region has suffered serious destruction, has caused great Loss of Life and property; Its one of the main reasons is that the construction technology of existing aseismatic structural column is numerous and diverse and cost is higher, and difficulty has been popularized in an all-round way and implemented.Design and constructure scheme to existing aseismatic structural column are optimized, and propose simple and practical technological measure, are the important process that improves China's villages and small towns masonry house anti-seismic performance, ensures the security of the lives and property.
According to Chinese aseismic design code GB 50011-2010, multi-story masonry building must arrange steel concrete aseismatic structural column.The constructure scheme of constructional column is at the brick wall body reserved Cha Kou in position that crosses, and adopts steel (wood) template along raft mouth formwork erection, and the longitudinal reinforcement skeleton of colligation constructional column is built and curing concrete in template.The formwork erection operation of this scheme is comparatively complicated, quality is restive, on the second layer and its, the construction of floor is more inconvenient, easily cause the quality problems such as swollen mould, spillage and concrete vibrating leakiness, the concrete constructional column after building and brick wall body are also inconsistent in appearance; In addition, the requirement of template is large, the turnover duration is longer, has increased engineering cost.At present, the domestic improvement to aseismatic structural column research and the patent application proposing are more, but are subject to various condition restriction, practical application less.
Summary of the invention
The object of this invention is to provide a kind of construction method of brick formwork aseismatic structural column, have that overall performance is good, with low cost, construction is simple, be easy to the features such as popularization, adopt Novel brick formwork to replace conventional Steel-wood forming board, can effectively reduce formwork erection cost and construction period, be conducive to realize that constructional column is combined with the entirety of brick wall body and the uniformity of architectural appearance.
The object of the invention is to be achieved through the following technical solutions, body of wall corner intersection building structure post stock mould shell, and constructional column cage of reinforcement is set in stock mould shell, between constructional column and body of wall, lay steel tie net sheet, in stock mould shell, concreting forms constructional column, the horse tooth trough of constructional column stretches in corresponding body of wall, the steps include:
(1) according to code requirement and constructional column arrangement, vertical constructional column muscle is connected with joint bar welding or colligation reserved in grade beam, stirrup is inserted in to the vertical muscle of constructional column the fixing colligation of spacing in accordance with regulations, form constructional column cage of reinforcement;
(2) structural feature in cross, T font or L font corner intersection according to solid brick masonry house, adopt the mode of building brick wall by laying bricks or stones, building by laying bricks or stones by skin after stock mould shell of first building by laying bricks or stones, adopt two kinds of small size loam bricks to build cross, T font or L glyph construction post formwork by laying bricks or stones, reserved Cha Kou on brick putamina, raft mouth correspondence is arranged on constructional column cage of reinforcement end and is positioned at corresponding body of wall, build brick wall by laying bricks or stones with loam brick again, wall outer side is alignd with putamina outside;
(3) the steel tie net sheet that tiles on brick wall, steel tie net sheet center line aligns with brick wall center line;
(4) concreting in brick formwork, answers layering blanking, layering to vibrate when concreting, by the steel tie net sheet arranging on brick formwork housing horse tooth trough structure and brick wall, cast-in-situ reinforced concrete column and common brick wall body are connected into entirety.
Further, described small size loam brick is of a size of 240 mm × 57 mm × 53mm and two kinds of specifications of 120 mm × 57 mm × 53mm.
Further, described cross, T font and L glyph construction post, the length that its cross section is stretched in the body of wall of both sides is all not less than 120mm.
Further, each described blanking is highly less than or equal to 500mm.
Further, described steel tie net sheet arranged on left and right sides is 30mm apart from the distance of brick wall exterior wall, and tension rib net sheet is arranged once every 500mm along wall is high.
Compared with prior art, the present invention has following beneficial effect:
First, the present invention is the structural feature in cross, T font, L font corner intersection according to solid brick masonry house, adopt small size loam brick to build formwork by laying bricks or stones, by the configured and disposed steel tie net sheet of housing horse tooth trough, cast-in-situ reinforced concrete column and common size brick wall body are connected into entirety, can effectively improve the anti-seismic performance of masonry structure.The aseismatic structural column scheme of utilizing loam brick to serve as formwork, can carry out the integrated formwork erection of wall column at cross, T font, L font brick wall Nodes, and in formwork, build the novel process of reinforced concrete post.
The second, the brick formwork of developing has good closure and integral rigidity, is conducive to building, vibrate and maintenance of shell inner concrete; Brick formwork is also an effective ingredient of constructional column, can increase the protective layer thickness of reinforcing bar in post, reduces corrosion of steel bar.
The 3rd, compared with the constructional column of existing " seismic design provision in building code ", cross, T font, the L glyph construction column section type of the present invention's design, in the situation that sectional area suitably reduces, strengthen and the combination length of body of wall, increased the effect of contraction of constructional column to deformation of wall.
The 4th, the main working procedure of brick formwork aseismatic structural column comprises: stock mould shell and brick wall are built by laying bricks or stones, and steel tie net sheet is placed, and longitudinal reinforcement skeleton is laid, and concreting, vibrates and maintenance.This process using Novel brick formwork replaces conventional Steel-wood forming board, can effectively reduce formwork erection cost and construction period, is conducive to realize that constructional column is combined with the entirety of brick wall body and the uniformity of architectural appearance.
The 5th, the present invention is according to the basic demand of " seismic design provision in building code ", for the deficiency in existing aseismatic structural column design and construction, develop a kind of novel brick formwork aseismatic structural column scheme, object is to gather materials on the spot, simplifies working process, reduces costs, improves anti-seismic performance, is convenient to apply in the construction of villages and small towns multi-story masonry building and seismic hardening.Scheme adopts the formwork of small size loam brick building structure post, forms the organic combination between cast-in-situ reinforced concrete column and brick wall body, to improve the anti-seismic performance of masonry structure.The feature of scheme is to replace conventional Steel-wood forming board with brick formwork, be conducive to reduce formwork erection cost and construction period, improve pouring concrete quality, realize aseismatic structural column and be combined with the entirety of brick wall body, be convenient to apply in villages and small towns multi-story masonry building is built.
The 6th, the brick formwork aseismatic structural column technique of the present invention development, has the advantages such as low in resources consumption and technology novelty, is easy to apply in construction in the multi-story masonry building of villages and small towns and seismic hardening.The masonry house One's name is legion that build in China villages and small towns, if adopt this patent will obtain significant economic and social benefit.
Brief description of the drawings
Fig. 1 a is how much detail drawings of small size loam brick.
Fig. 1 b is how much detail drawings of small size loam brick bat.
Fig. 2 is style cross bricks formwork constructional column plan view (dash area represents horse tooth trough).
Fig. 2 .1 is the inside reinforced concrete post schematic perspective view of style cross bricks formwork constructional column.
Fig. 2 .2 is cross brick wall (huge pillar core) schematic perspective view of laying bricks.
Fig. 2 .3 is cross brick wall (pillar core) schematic perspective view of laying bricks.
Fig. 2 .4 is the steel tie net plate plane arrangement diagram of style cross bricks formwork constructional column.
Fig. 3 is T font stock mould shell structure Column (dash area represents horse tooth trough).
Fig. 3 .1 is the inside reinforced concrete post schematic perspective view of T font stock mould shell structure post.
Fig. 3 .2 is T font brick wall (huge pillar core) schematic perspective view of laying bricks.
Fig. 3 .3 is T font brick wall (pillar core) schematic perspective view of laying bricks.
Fig. 3 .4 is T font stock mould shell steel tie net plate plane arrangement diagram.
Fig. 4 is L font stock mould shell structure Column (dash area represents horse tooth trough).
Fig. 4 .1 is the inside reinforced concrete post schematic perspective view of L font stock mould shell structure post.
Fig. 4 .2 is L font brick wall (huge pillar core) schematic perspective view of laying bricks.
Fig. 4 .3 is L font brick wall (pillar core) schematic perspective view of laying bricks.
Fig. 4 .4 is L font stock mould shell steel tie net plate plane arrangement diagram.
In figure: the 1. 2. vertical muscle of constructional column of stock mould shell (grey filling part), 3. constructional column stirrup, 4. steel tie net sheet (grey lines).
Detailed description of the invention
The construction method of brick formwork aseismatic structural column, comprises the following steps:
(1) according to code requirement and constructional column arrangement, by joint bar welding (or colligation) reserved in vertical constructional column muscle 2 and grade beam, constructional column stirrup 3 is inserted in to the vertical muscle of constructional column and spacing is in accordance with regulations fixed, form constructional column cage of reinforcement;
(2) structural feature in cross, T font or L font corner intersection according to solid brick masonry house, adopt small size loam brick building structure post stock mould shell 1, reserved Cha Kou on brick putamina, raft mouth correspondence is arranged on constructional column cage of reinforcement end, build brick wall by laying bricks or stones with common size loam brick again, adopt the mode of building brick wall by laying bricks or stones, building by laying bricks or stones by skin after stock mould shell of first building by laying bricks or stones; Small size loam brick is of a size of 240 mm × 57 mm × 53mm and two kinds of specifications of 120 mm × 57 mm × 53mm;
(3) high every 500mm tiling steel tie net sheet 4 along wall on brick wall, tension rib net sheet center line aligns with brick wall center line; Tension rib net sheet arranged on left and right sides is 30mm apart from the distance of brick wall exterior wall;
(4) concreting in brick putamina, when concreting, answer layering blanking, layering to vibrate, each blanking is highly less than or equal to 500mm, by the steel tie net sheet arranging on brick formwork housing horse tooth trough structure and brick wall, cast-in-situ reinforced concrete column and common brick wall body are connected into entirety.
Cross, T font and L glyph construction post, the length that its cross section is stretched in the body of wall of both sides is all not less than 120mm.
The implementation method of brick formwork aseismatic structural column:
This programme is taking the common brick house of wall thickness 240mm as standard, and the concrete size of the small size loam brick adopting is shown in Fig. 1, and brick wall is shown in respectively Fig. 2, Fig. 3, Fig. 4 in the type of the brick formwork constructional column of cross, T font, L font body of wall intersection; The strength grade of reinforcing bar used, concrete and brickwork unless otherwise indicated, consistent with existing " seismic design provision in building code ".General principle, method for designing and the construction technology of this programme is also applicable to the common brick house of wall thickness 370mm.
1. constructional column tie with reinforcing bar
1) according to code requirement and the main muscle arrangement of constructional column, the vertical muscle of reserved constructional column in grade beam.
2) stirrup is inserted in reserved vertical muscle, colligation (or welding) the main muscle of constructional column, spacing fixture construction column tie-bar in accordance with regulations, forms constructional column cage of reinforcement.
2. stock mould shell and brick wall are built by laying bricks or stones
1) check the center line of brick wall and stock mould shell according to constructional column main reinforce position, according to first building stock mould shell by laying bricks or stones, then build this skin brick wall by laying bricks or stones, carry out the order of building by laying bricks or stones by skin and construct.Building by laying bricks or stones the previous day, water water-wet to fragment of brick, the marked rod of existing side by side.
2) build stock mould shell and brick wall by laying bricks or stones according to the specific requirement of various constructional columns.Three types constructional column has the working drawing of laying bricks at horse tooth trough position (huge pillar core) to see respectively Fig. 2 .2, Fig. 3 .2, Fig. 4 .2, sees respectively Fig. 2 .3, Fig. 3 .3, Fig. 4 .3 without the working drawing of laying bricks of horse tooth trough position (pillar core).
3) building by laying bricks or stones of stock mould shell should meet following requirement:
A, stock mould shell should select corner angle neat, without flexural cracking, sintering small size brick and common size brick masonry that specification is consistent, to ensure stock mould shell structured size, seal closely knit.
B, stock mould shell are built by laying bricks or stones and should be stung up and down that block, mortar are closely knit, flat appearance, and build, form entirety by laying bricks or stones with the brick wall fissure of displacement around.
4) high every 500mm(eight skin bricks along wall) place a steel tie net sheet, net sheet center line aligns with body of wall center line, and both sides are apart from the each 30mm of wall crust.Steel tie net sheet is answered smooth being laid in brick wall, and periphery mortar should be closely knit full, forms effective drawknot with brick wall.The steel tie net sheet of three types constructional column is arranged and is seen respectively Fig. 2 .4, Fig. 3 .4, Fig. 4 .4.
3. constructional column pouring concrete and maintenance
1) the concrete cast of constructional column should be carried out after stock mould shell reaches masonry strength.
2) cast constructional column concrete answers layering blanking, layering to vibrate, and each blanking highly should not be greater than 500mm; When fluid concrete, answer blanking limit, limit to vibrate, guarantee the concrete compaction at horse tooth trough position.
3) in the overall process of pouring concrete, to note ensureing the position of reinforcing bar, avoid vibrator to damage stirrup and steel tie net sheet.
4) in the overall process of pouring concrete, to avoid vibrator damage stock mould shell, and forbid to impel concrete sinking closely knit by beaing stock mould shell outside.
5) pouring concrete carries out appropriate water seasoning after completing, until concrete reach design strength and with the well-bonded follow-up construction that becomes to carry out again after entirety collar tie beam etc. of stock mould shell.
Claims (5)
1. the construction method of brick formwork aseismatic structural column, it is characterized in that, body of wall corner intersection building structure post stock mould shell, and constructional column cage of reinforcement is set in stock mould shell, between constructional column and body of wall, lay steel tie net sheet, in stock mould shell, concreting forms constructional column, and the horse tooth trough of constructional column stretches in corresponding body of wall, the steps include:
(1) according to code requirement and constructional column arrangement, vertical constructional column muscle is connected with joint bar welding or colligation reserved in grade beam, stirrup is inserted in to the vertical muscle of constructional column the fixing colligation of spacing in accordance with regulations, form constructional column cage of reinforcement;
(2) structural feature in cross, T font or L font corner intersection according to solid brick masonry house, adopt the mode of building brick wall by laying bricks or stones, building by laying bricks or stones by skin after stock mould shell of first building by laying bricks or stones, adopt two kinds of small size loam bricks to build cross, T font or L glyph construction post formwork by laying bricks or stones, reserved Cha Kou on brick putamina, raft mouth correspondence is arranged on constructional column cage of reinforcement end and is positioned at corresponding body of wall, build brick wall by laying bricks or stones with loam brick again, wall outer side is alignd with putamina outside;
(3) the tension rib net sheet that tiles on brick wall, tension rib net sheet center line aligns with brick wall center line;
(4) concreting in brick formwork, answers layering blanking, layering to vibrate when concreting, by the steel tie net sheet arranging on brick formwork housing horse tooth trough structure and brick wall, cast-in-situ reinforced concrete column and common brick wall body are connected into entirety.
2. brick formwork aseismatic structural column technique according to claim 1, is characterized in that, the size of described two kinds of small size loam bricks is respectively 240 mm × 57 mm × 53mm and two kinds of specifications of 120mm × 57 mm × 53mm.
3. brick formwork aseismatic structural column technique according to claim 1, is characterized in that, the length that the cross section of concrete column is stretched in the body of wall of both sides is all not less than 120mm.
4. brick formwork aseismatic structural column technique according to claim 1, is characterized in that, each described concrete discharging height is less than or equal to 500mm.
5. brick formwork aseismatic structural column technique according to claim 1, is characterized in that, the described tension rib net sheet left and right sides is 30mm apart from the distance of brick wall exterior wall, and tension rib net sheet is arranged once every 500mm along wall is high.
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Cited By (4)
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| CN104963509A (en) * | 2015-07-17 | 2015-10-07 | 扬州大学 | Brick framework anti-seismic constructional column and ring beam integrated building method |
| CN106592866A (en) * | 2016-12-20 | 2017-04-26 | 成都佰思汇信科技有限责任公司 | Cast-in-place concrete surrounding ring beam |
| CN108643393A (en) * | 2018-06-05 | 2018-10-12 | 哈尔滨工业大学 | A kind of construction method of brick masonry wall piece recycling |
| CN110863589A (en) * | 2019-11-21 | 2020-03-06 | 中国二十冶集团有限公司 | Mold device for manufacturing L-shaped cavity concrete module and using method thereof |
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| CN106592866A (en) * | 2016-12-20 | 2017-04-26 | 成都佰思汇信科技有限责任公司 | Cast-in-place concrete surrounding ring beam |
| CN108643393A (en) * | 2018-06-05 | 2018-10-12 | 哈尔滨工业大学 | A kind of construction method of brick masonry wall piece recycling |
| CN110863589A (en) * | 2019-11-21 | 2020-03-06 | 中国二十冶集团有限公司 | Mold device for manufacturing L-shaped cavity concrete module and using method thereof |
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| CN103993741B (en) | 2016-05-18 |
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