CN103938761B - A kind of built-in steel core concrete column T-shaped regeneration concrete brick blockwork and the practice - Google Patents
A kind of built-in steel core concrete column T-shaped regeneration concrete brick blockwork and the practice Download PDFInfo
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- CN103938761B CN103938761B CN201410146500.6A CN201410146500A CN103938761B CN 103938761 B CN103938761 B CN 103938761B CN 201410146500 A CN201410146500 A CN 201410146500A CN 103938761 B CN103938761 B CN 103938761B
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Abstract
The present invention relates to a kind of built-in steel core concrete column T-shaped regeneration concrete brick blockwork technology and the practice, belong to Structural Engineering studying technological domain.The built-in steel core concrete column constructional column form of the present invention, can be effectively improved the anti-seismic performance of masonry structure.Regeneration concrete brick blockwork replaces traditional masonry wall, earthquake-proof energy-saving integration, is suitable for the structural system of low tier building.The connected mode using concavo-convex key to be engaged between regeneration concrete masonry brick, can significantly improve the globality of body of wall, and effectively strengthen the anti-seismic performance of structure.
Description
Technical field
The present invention relates to a kind of built-in steel core concrete column T-shaped regeneration concrete brick blockwork and the practice, belong to Structural Engineering studying technological domain.
Background technology
Steel are combined by concrete filled steel tube with concrete, make concrete be in three dimension stress state, are greatly improved the bearing capacity of concrete, and the concrete of steel duct can be effectively prevented again steel pipe generation cripling.Interaction between steel pipe and concrete makes the destruction of steel duct concrete be changed into plastic failure by brittle break, and the ductile performance of component is obviously improved, and energy dissipation capacity is greatly improved, and has superior anti-seismic performance.
Conventional multilayer house seismic capacity of masonry structure is poor, regeneration concrete masonry strength is significantly higher than tradition masonry, can be used for low multi-layer construction structure, bearing capacity is secure, and drastically increase at current building waste, country advocate resource recycling overall background under building waste can be made to be recycled.
Using steel core concrete column as the constructional column of body of wall, it is connected with concavo-convex key between regeneration concrete masonry brick, it is fabricated to built-in steel core concrete column regeneration concrete brick blockwork, system bearing capacity can be obviously enhanced, hence it is evident that improve integrality performance of the structure and anti-seismic performance.
Summary of the invention
It is an object of the invention to provide a kind of built-in steel core concrete column T-shaped regeneration concrete brick blockwork, this body of wall has the advantages such as simple structure, cheap, easy construction, earthquake-proof energy-saving integration, to effectively solving the problem such as tradition low layer, poor, the shock resistance weakness of tier building thermal and insulating performance.
For achieving the above object, the technical solution used in the present invention is a kind of built-in steel core concrete column T-shaped regeneration concrete brick blockwork and manufacture method.Body of wall of the present invention includes concrete-filled rectangular steel tube constructional column, regeneration concrete brick block；Wherein, regeneration concrete brick blocks shape includes I-shaped, flute profile, convex, concave-convex；Groove and the occlusion structure that convex key is brick block joining place.
Specifically, built-in steel core concrete column is placed in body of wall end and longitudinal cross wall junction, and steel core concrete column is achieved by the groove of regeneration concrete brick block and is connected with the effective of body of wall, strengthens overall mechanical property.
Arrange groove, convex key in the end of regeneration concrete brick block, when multi-form brick block group is built into body of wall, adjacent keyway is engaged, enhances the globality of this body of wall.By concavo-convex bonded between regeneration concrete brick block, make the mortar joint inside and outside body of wall the most through, efficiently reduce cold bridge effect, improve the heat-insulating property of body of wall.
Steel pipe can use Q235, Q345, Q390, Q420 and Q345GJ steel.Steel pipe preferably uses helically welded tube and longitudinally-welded pipe, it is possible to use seamless welding pipe.Welded pipe must dock the weld seam that is melt through, and weld strength is not lower than tubing intensity.According to the thickness of steel pipe, will select corresponding steel yield strength and strength failure criterion, the selection of its value to determine according to " concrete filled steel tube design and construction specification ".When Aseismic Design, the steel yield strength measured value of concrete filled steel tube and the ratio of tensile strength measured value not should be greater than 0.85, and steel should have significantly surrenders step, and percentage elongation is no less than 20%, and it should have good weldability and qualified impact flexibility simultaneously.
Concrete in steel pipe can use normal concrete and self-compacting concrete, and its strength grade is not lower than C30.The shaft center compression resistant of concrete, axial tensile strength and elastic modelling quantity should meet " concrete filled steel tube design and construction specification ".
Described regeneration concrete brick strength grade is MU30, MU25, MU20 and MU15, and wherein the match ratio of regeneration concrete can not apply mechanically merely the match ratio of normal concrete, and its water consumption must consider that the water absorption rate of recycled coarse aggregate carries out proportion design.
Built-in steel core concrete column T-shaped regeneration concrete brick blockwork, its manufacture method is as follows:
S1, by the steel pipe of steel core concrete column, inserts in foundation beam by size, pours into a mould foundation beam concrete.
Foundation beam upper surface is carried out copying measuring line, levelling foundation beam upper surface by house planar dimension by S2, ejects double solid line by the thickness of concrete brick building block.
S3 builds regeneration concrete brick blockwork in foundation beam top group, and adjacent regeneration concrete brick block is engaged by groove and convex key.
S4 is when building ground floor by laying bricks or stones, regeneration concrete keyed brick is placed on Ji Zhu limit, vertical wall limit, groove wraps steel pipe column just, shaft opposite side places regeneration concrete work shape brick, together with aforementioned regeneration concrete keyed brick and square steel tube concrete column seamless connection, the most inversely place regeneration concrete concave-convex brick, between with cement mortar be filled with bonding, until longitudinal cross wall intersection place regeneration concrete convex brick one piece；Second half vertical wall is built by laying bricks or stones with its symmetry；Square steel tube concrete column is wrapped up by two regeneration concrete concave-convex bricks of longitudinal cross wall intersection cross wall, the most upwards, the most forward build regeneration concrete concave-convex brick by laying bricks or stones downwards, use regeneration concrete work shape brick during to cross wall end instead and wrap up square steel tube concrete column with regeneration concrete keyed brick；The second layer build the rotation being equivalent to ground floor be carried out 90 degree clockwise by laying bricks or stones, i.e. with the regeneration concrete concave-convex brick of vertical wall, square steel tube concrete column is wrapped up, and laterally wall starts to build by laying bricks or stones with regeneration concrete convex brick with T shape intersection point joint, to reach the purpose of fissure of displacement overlap joint；The masonry way of its top brick cross-circulation the most successively is carried out；Constitute fissure of displacement overlap joint, rabbet good body of wall.
S5 is in the end of body of wall, and in steel pipe, casting concrete forms built-in steel core concrete column.
Compared with prior art, the present invention has the advantages that.
The present invention built-in steel core concrete column T-shaped regeneration concrete brick blockwork is applicable to villages and small towns tier building；Body of wall end and the steel core concrete column of longitudinal cross wall junction, bearing capacity is high, and ductility is good, effectively enhances the anti-seismic performance of body of wall；By concavo-convex bonded between regeneration concrete brick block, make the crack inside and outside body of wall the most through, efficiently reduce cold bridge effect, improve the heat-insulating property of body of wall；Steel core concrete column and regeneration concrete brick block are connected by groove, by concavo-convex bonded between regeneration concrete brick block, effectively enhance the globality of body of wall, improve the anti-seismic performance of structure.
Accompanying drawing explanation
Fig. 1 is T-shaped wall odd number typical floor plan layout drawing.
Fig. 2 is T-shaped wall even standard layer plane layout drawing.
Fig. 3 is T-shaped wall schematic three dimensional views.
Fig. 4 is I-shaped regeneration concrete brick schematic diagram.
Fig. 5 is flute profile regeneration concrete brick schematic diagram.
Fig. 6 is concave-convex regeneration concrete brick schematic diagram.
Fig. 7 is convex regeneration concrete brick schematic diagram.
In figure: 1, regeneration concrete work shape brick, 2, regeneration concrete keyed brick, 3, regeneration concrete convex brick, 4, regeneration concrete concave-convex brick, 5, convex key, 6, groove, 7, square steel tube concrete column.
Detailed description of the invention
Below in conjunction with being embodied as example, the present invention will be further described.
As shown in figs. 1-7, a kind of built-in steel core concrete column T-shaped regeneration concrete brick blockwork.This body of wall includes regeneration concrete work shape brick 1, regeneration concrete keyed brick 2, regeneration concrete convex brick 3, regeneration concrete concave-convex brick 4, mortar between square steel tube concrete column 7 and regeneration concrete brick.
Square steel tube concrete column 7 should be arranged in body of wall end or corner, it is other that regeneration concrete keyed brick 2 is placed in the i.e. square steel tube concrete column 7 in wall side, to be connected with square steel tube concrete column 7 phase, regeneration concrete convex brick 3 is all positioned at body of wall corner, and the effect of regeneration concrete work shape brick 1 is with regeneration concrete concave-convex brick 4, square steel tube concrete column 7 to be carried out transition be connected.Regeneration concrete convex brick 3, interlocking between the convex key 5 of regeneration concrete concave-convex brick 4 and groove 6 are conducive to improving the globality of body of wall, and reduce cold bridge effect and then strengthen the heat-insulating property of body of wall.
Built-in steel core concrete column T-shaped regeneration concrete brick blockwork manufacture method is as follows.
S1, by the steel pipe of steel core concrete column, inserts in foundation beam by size, pours into a mould foundation beam concrete.
Foundation beam upper surface is carried out copying measuring line, levelling foundation beam upper surface by house planar dimension by S2, ejects double solid line by the thickness of concrete brick building block.
S3 builds regeneration concrete brick blockwork in foundation beam top group, and adjacent regeneration concrete brick block is engaged by groove 6 and convex key 5.
S4 is when building ground floor by laying bricks or stones, regeneration concrete keyed brick 2 is placed on Ji Zhu limit, vertical wall limit, groove 6 wraps steel pipe column just, shaft opposite side places regeneration concrete work shape brick 1, together with aforementioned regeneration concrete keyed brick 2 and square steel tube concrete column 7 seamless connection, the most inversely place regeneration concrete concave-convex brick 4, between with cement mortar be filled with bonding, until longitudinal cross wall intersection place regeneration concrete convex brick 3 one pieces；Second half vertical wall is built by laying bricks or stones with its symmetry；The steel pipe column 7 of cruciform central is wrapped up by two regeneration concrete concave-convex bricks 4 of longitudinal cross wall intersection cross wall, the most upwards, the most forward build regeneration concrete concave-convex brick 4 by laying bricks or stones downwards, use regeneration concrete work shape brick 1 during to cross wall end instead and wrap up steel core concrete column 7 with regeneration concrete keyed brick 2.The second layer build the rotation being equivalent to ground floor be carried out 90 degree clockwise by laying bricks or stones, i.e. with the regeneration concrete concave-convex brick 4 of vertical wall, the steel core concrete column 7 of cruciform central is wrapped up, and laterally wall starts to build by laying bricks or stones with regeneration concrete convex brick 3 with cross searching joint, to reach the purpose of fissure of displacement overlap joint.The masonry way of its top brick cross-circulation the most successively is carried out.Constitute fissure of displacement overlap joint, rabbet good body of wall.
S5 is in the end of body of wall, and in steel pipe, casting concrete forms built-in steel core concrete column.
Steel pipe can use Q235, Q345, Q390, Q420 and Q345GJ steel.When using Q235, Q345 and Q345GJ steel and operating temperature more than 0 DEG C, can be selected for B level；When operating temperature is higher than-20 DEG C less than 0 DEG C, C level should be selected；When operating temperature is less than-20 DEG C, D level should be selected.When using Q390 and Q420 steel and operating temperature less than 0 DEG C higher than-20 DEG C, D level should be selected.When operating temperature is less than-20 DEG C, E level should be selected.
Concrete in steel pipe can use normal concrete and self-compacting concrete, and its strength grade is not lower than C30.
When Aseismic Design, the steel of concrete filled steel tube should meet the following requirements: the yield strength measured value of steel and the ratio of tensile strength measured value not should be greater than 0.85；Steel should have significantly surrenders step, and percentage elongation is no less than 20%；Steel should have good weldability and qualified impact flexibility.
Being above an allusion quotation shape embodiment of the present invention, the enforcement of the present invention is not limited to this.
Claims (4)
1. a built-in steel core concrete column T-shaped regeneration concrete brick blockwork, its feature
It is:
S1, by the steel pipe of steel core concrete column, inserts in foundation beam by size, pours into a mould foundation beam
Concrete；
Foundation beam upper surface is carried out copying measuring line, levelling foundation beam by house planar dimension by S2
Upper surface, ejects double solid line by the thickness of concrete brick building block；
S3 builds regeneration concrete brick blockwork, adjacent regeneration concrete in foundation beam top group
Brick block is engaged by groove (6) and convex key (5)；
S4, when building ground floor by laying bricks or stones, places regeneration concrete keyed brick on Ji Zhu limit, vertical wall limit
(2), groove (6) wraps steel pipe column just, and shaft opposite side places regeneration concrete work
Shape brick (1), with aforementioned regeneration concrete keyed brick (2) and square steel tube concrete column (7)
Seamless connection together, the most inversely place regeneration concrete concave-convex brick (4), between use water
Cement mortar is filled with bonding, until longitudinal cross wall intersection places regeneration concrete convex brick (3)
One piece；Second half vertical wall is built by laying bricks or stones with its symmetry；One regeneration of longitudinal cross wall intersection cross wall is mixed
Solidifying soil concave-convex brick (4) and a regeneration concrete keyed brick (2) are by square steel-pipe concrete
Post (7) wraps up, backward side forward build regeneration concrete concave-convex brick (4) by laying bricks or stones, to horizontal
Use regeneration concrete work shape brick (1) during wall end instead to wrap up with regeneration concrete keyed brick (2)
Square steel tube concrete column (7)；Building by laying bricks or stones of the second layer is equivalent to ground floor to carry out clockwise
The rotation of 90 degree, i.e. with regeneration concrete concave-convex brick (4) of vertical wall by rectangular steel tube coagulation
Earth pillar (7) wraps up, and laterally wall and T-shaped intersection point joint are with regeneration concrete convex brick (3)
Start to build by laying bricks or stones, to reach the purpose of fissure of displacement overlap joint；The masonry way of its top brick depends in this way
Secondary cross-circulation is carried out；Constitute fissure of displacement overlap joint, rabbet good body of wall；
S5 is in the end of body of wall, and in steel pipe, casting concrete forms built-in concrete filled steel tube
Post；This body of wall includes regeneration concrete work shape brick (1), regeneration concrete keyed brick (2), again
Growing concrete convex brick (3), regeneration concrete concave-convex brick (4), square steel tube concrete column
(7) mortar and between regeneration concrete brick；
Square steel tube concrete column (7) should be arranged in body of wall end or corner, regenerates coagulation
It is other that soil keyed brick (2) is placed in wall side i.e. square steel tube concrete column (7), with square bar
Pipe concrete column (7) is connected mutually, and regeneration concrete convex brick (3) is all positioned at body of wall corner,
The effect of regeneration concrete work shape brick (1) is that square steel tube concrete column (7) is mixed with regeneration
Solidifying soil concave-convex brick (4) carries out transition connection；Regeneration concrete convex brick (3), regeneration mix
Interlocking between convex key (5) and the groove (6) of solidifying soil concave-convex brick (4) is conducive to
Improve the globality of body of wall, and reduce cold bridge effect and then strengthen the heat-insulating property of body of wall.
One the most according to claim 1 built-in steel core concrete column T-shaped regeneration coagulation
Cob brick blockwork, it is characterised in that: steel pipe uses Q235, Q345, Q390, Q420
With Q345GJ steel；Use Q235, Q345 and Q345GJ steel and operating temperature big
In 0 DEG C time, select B level；When operating temperature is higher than-20 DEG C less than 0 DEG C, Ying Xuan
Use C level；When operating temperature is less than-20 DEG C, D level should be selected；Use Q390 and
When Q420 steel and operating temperature are higher than-20 DEG C less than 0 DEG C, D level should be selected；Work as work
When making temperature less than-20 DEG C, E level should be selected.
One the most according to claim 1 built-in steel core concrete column T-shaped regeneration coagulation
Cob brick blockwork, it is characterised in that: the concrete in steel pipe uses normal concrete and from close
Real concrete, its strength grade is not lower than C30.
One the most according to claim 1 built-in steel core concrete column T-shaped regeneration coagulation
Cob brick blockwork, it is characterised in that: when Aseismic Design, the steel of concrete filled steel tube
Should meet the following requirements: the yield strength measured value of steel is with the ratio of tensile strength measured value not
Should be greater than 0.85；Steel should have significantly surrenders step, and percentage elongation is no less than 20%；Steel
Material should have good weldability and qualified impact flexibility.
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| ES2363359B1 (en) * | 2009-08-04 | 2012-06-19 | Germans Cañet Xirgu, S.L. | METHOD FOR THE PERFORMANCE OF GRAVITY WALLS WITH PREFABRICATED CONCRETE PARTS WITH RECYCLED AIDES, AND WALL OBTAINED BY MEANS OF SUCH METHOD. |
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