CN109057156A - A kind of construction method for the concrete column improving Torsion bearing capacity - Google Patents

A kind of construction method for the concrete column improving Torsion bearing capacity Download PDF

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Publication number
CN109057156A
CN109057156A CN201810848913.7A CN201810848913A CN109057156A CN 109057156 A CN109057156 A CN 109057156A CN 201810848913 A CN201810848913 A CN 201810848913A CN 109057156 A CN109057156 A CN 109057156A
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steel
edge
wing
basic section
bearing capacity
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CN201810848913.7A
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CN109057156B (en
Inventor
梁亮
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Guangdong Nanling Construction Engineering Co., Ltd
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Zheng Ruiping
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00Structural elongated elements designed for load-supporting
    • E04C3/30Columns; Pillars; Struts
    • E04C3/32Columns; Pillars; Struts of metal
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B23/00Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
    • B28B23/02Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
    • B28B23/022Means for inserting reinforcing members into the mould or for supporting them in the mould
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00Structural elongated elements designed for load-supporting
    • E04C3/02Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/29Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces built-up from parts of different material, i.e. composite structures
    • E04C3/293Joists; 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
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00Structural elongated elements designed for load-supporting
    • E04C3/30Columns; Pillars; Struts
    • E04C3/34Columns; Pillars; Struts of concrete other stone-like material, with or without permanent form elements, with or without internal or external reinforcement, e.g. metal coverings
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Composite Materials (AREA)
  • Manufacturing & Machinery (AREA)
  • Ceramic Engineering (AREA)
  • Rod-Shaped Construction Members (AREA)

Abstract

A kind of construction method for the concrete column improving Torsion bearing capacity is embedded with fashioned iron enhancing component along the elongated direction of the longitudinal direction of concrete column, and the fashioned iron enhancing component includes: basic section steel, U-type groove steel;The basic section steel includes top flange, lower flange, web, on the angle on the edge of a wing that the U-type groove steel is fixed on basic section steel and along the elongated arrangement of basic section steel;It is formed with the duct for wearing presstressed reinforcing steel between U-lag steel and the edge of a wing, presstressed reinforcing steel is provided in duct.Using the construction method of concrete column of the invention, the Compressive Bearing Capacity and Torsion bearing capacity of column can be improved simultaneously.

Description

A kind of construction method for the concrete column improving Torsion bearing capacity
Technical field
The invention patent belongs to building engineering field, and in particular to a kind of construction for the concrete column for improving Torsion bearing capacity Method.
Background technique
A kind of prestressing force assembling frame node structure of application number " 2016100206893 " and its construction method disclose: Precast reinforced coagulation beam end is embedded with I-steel, and duct one is provided in the I-steel edge of a wing and/or web, and the duct is used In the embedded unbonded prestressing tendon, I-shaped steel surface is additionally provided with the bump for stretching out beams of concrete;Precast concrete column Be provided with steel plate on one side with beam opposite, be provided on steel plate unbonded prestressing tendon duct two and with it is described prominent The jack of object cooperation is played, the duct two corresponds to each other with the position in duct one, is additionally provided in column concrete and duct two-phase The corresponding channel for being used to bury unbonded prestressing tendon.The combination of concrete structure+steel strand wires can be improved in above-mentioned document The bend-carrying capacity of beam.For beam, antitorque destruction is seldom considered, typically only need that antitorque reinforcing bar is arranged.Only It in the side bar of large-span structure, side column or is the enhancing for just being needed to consider Torsion bearing capacity by antitorque biggish component.But There are no be related to how improving the technical solution of Torsion bearing capacity in concrete structure in the prior art.
Summary of the invention
A kind of concrete column of raising Torsion bearing capacity is provided the purpose of the present invention is overcoming the deficiencies of existing technologies Construction method, the purpose is to the Torsion bearing capacities in side column.
The technical scheme is that a kind of beams of concrete or column for improving Torsion bearing capacity, along beams of concrete or column The elongated direction of longitudinal direction is embedded with fashioned iron enhancing component, and the fashioned iron enhancing component includes: basic section steel, U-type groove steel;Institute Stating basic section steel includes top flange, lower flange, web, on the angle on the edge of a wing that the U-type groove steel is fixed on basic section steel and along base The elongated arrangement of plinth fashioned iron;It is formed with the duct for wearing presstressed reinforcing steel between U-type groove steel and the edge of a wing, pre- answer is provided in duct Power muscle.
Further, U-type groove steel, presstressed reinforcing steel setting are respectively provided on 4 angles of the top flange of basic section steel and lower flange In presstressed reinforcing steel duct.
Further, the presstressed reinforcing steel uses prestress wire.
Further, it is preset with bolt hole between U-type groove steel and the edge of a wing of basic section steel, U-type groove steel and basic section steel The bolt hole on the edge of a wing is aligned, and the two is fixed by bolt and nut component.
Further, it is respectively fixed with vertical steel pipe at left and right sides of the top flange, lower flange of basic section steel, vertical steel pipe Both ends outstanding flange, the height of vertical steel pipe are greater than the thickness on the edge of a wing, and vertical steel pipe is hollow;The spacing of vertical steel pipe is 15- 50cm;Two flank side surfaces on the upper and lower edge of a wing have protrusion, and the part for protruding from the edge of a wing with vertical steel pipe cooperates to positioning U type The mutual alignment of channel steel and the edge of a wing;There is hole in the upper and lower surfaces of U-type groove steel part corresponding with vertical steel pipe, passes through bolt spiral shell The fixed the two of female component.
Further, further includes: upper outer panel, lower outer panel, upper interior plate, lower interior plate, left plate and right side plate, on Outer panel is arranged on the outside of the edge of a wing of 2 U-type groove steel of top flange;2 U-type groove steel of lower flange are arranged in lower outer panel On the outside of the edge of a wing;Upper interior plate, lower interior plate be separately positioned on one end on the inside of the edge of a wing of the U-type groove steel of top flange, lower flange and Between web;Left plate and right side plate are parallel with web, and the U-type groove steel of basic section steel web two sides passes through left plate and the right side respectively Side plate connection, upper outer panel connect 4 jiaos of U-type groove steel to form " mouth " font with lower outer panel with left plate with right edge.
It is a kind of improve Torsion bearing capacity beams of concrete or column construction method, be embedded with fashioned iron in concrete beam and column Enhance component, construction procedure includes: first, and prepare with lower member: fashioned iron enhances component, and it includes 4 U-shaped that fashioned iron, which enhances component, Channel steel and basic section steel;The basic section steel is made of top flange, lower flange, web;Second, U-type groove steel is installed: by 4 U Type groove steel is inserted into respectively in the quadrangle of the top flange of basic section steel, lower flange, and U-type groove steel is along the elongated arrangement of basic section steel, U shape Channel steel and basic section steel are fixed, and the duct for wearing presstressed reinforcing steel is formed between U-type groove steel and the edge of a wing;Third, fashioned iron enhance structure After the completion of part, the then steel reinforcement cage of construction beam or column;4th, casting concrete;5th, precast beam or column after the assembly is completed, are worn If presstressed reinforcing steel, apply prestressing force.
Further, it in the first step, when preparing component, is welded respectively in the top flange of basic section steel, the left and right sides of lower flange Connect vertical steel pipe, the both ends outstanding flange of vertical steel pipe, the height of vertical steel pipe is greater than the thickness on the edge of a wing, during vertical steel pipe is It is empty;The spacing of vertical steel pipe is 15-50cm;Second step, when according to U-type groove steel, U-type groove steel is inserted into from the front of basic section steel, Its two flank side surface for being inserted into the edge of a wing has protrusion, and the part for protruding from the edge of a wing with vertical steel pipe cooperates to positioning U type channel steel With the mutual alignment on the edge of a wing;There is hole in the upper and lower surface of U-type groove steel part corresponding with vertical steel pipe, passes through bolt and nut group The fixed the two of part.
Further, it in second step, installs in U-type groove steel, further includes: install outer panel and lower outer panel, upper outer panel It is arranged on the outside of the edge of a wing of 2 U-type groove steel of top flange;Lower outer panel is arranged in outside the edge of a wing of 2 U-type groove steel of lower flange Side.
Further, it in second step, installs in U-type groove steel, further includes: install interior plate and lower interior plate, upper interior plate, Lower interior plate is separately positioned on one end on the inside of the edge of a wing of the U-type groove steel of top flange, lower flange and between web.
Further, 4 pieces of interior plates are connect with the mode that web is all made of diagonal brace.
Further, it in second step, installs in U-type groove steel, further includes: installation left plate and right side plate, left plate and right side Plate is parallel with web, and the U-type groove steel of basic section steel web two sides passes through left plate respectively and connects with right side plate, and upper outer panel is under Outer panel connects 4 jiaos of U-type groove steel to form " mouth " font with left plate with right edge.
Further, the basic section steel is I-steel, and top flange is identical with the structure of lower flange, and the presstressed reinforcing steel uses Prestress wire, the beam or column are side bar or side column.
By adopting the above technical scheme, compared with prior art, the invention has the benefit that 1. and 2016100206893 Scheme compare, the edge of a wing of the basic section steel in beams of concrete/column is formed using knockdown method: basic section steel+channel steel Mode is formed, and facilitates the installation of presstressed reinforcing steel;2. pre- in 4 jiaos of settings of fashioned iron compared with 2016100206893 scheme Stress rib can improve antitorque carrying while improving bending resistance/pressure bearing capacity by changing the setting position of presstressed reinforcing steel Power;3. the application is when being reversed using beam, column, presstressed reinforcing steel length is stretched, and presstressed reinforcing steel is additional to generate while tension Pulling force make presstressed reinforcing steel radially can link together to channel steel active force, channel steel with the basic section steel edge of a wing, and then inhibition Beam/column is grappled;4. the combined type edge of a wing of the invention facilitates channel steel and the wing by the way of the external bolt steel pipe of basic section steel Edge is located by connecting, and guarantees the stability of the two;5. in addition, the torque failure of beam column is spatially shown as with principal tensile stress Based on destruction bigger tensile stress can be undertaken using high-strength prestressed steel strand wires compared with antitorque reinforcing bar.
Detailed description of the invention:
Fig. 1: the structural design drawing of embodiment one.
Fig. 2: the bolt and nut component and U-type groove steel detail drawing of installation of embodiment one.
Fig. 3: the scheme of installation of the fashioned iron enhancing component of embodiment three.
Fig. 4: the scheme of installation of the fashioned iron enhancing component of example IV.
Fig. 5: steel strand wires deform schematic diagram when being turned round.
Fig. 6: steel strand wires and basic section steel stress diagram in the application.
Specific embodiment
Embodiment 1: as shown in Figs. 1-2, a kind of precast concrete beam or column are embedded with fashioned iron increasing in concrete beam and column Strong component, production method, comprising:
First, prepare component: fashioned iron enhances component, fashioned iron enhancing component include basic section steel and 4 U-type groove steel 1-1,1-2, 1-3,1-4;Basic section steel uses I-steel, is made of top flange 2-1, lower flange 2-2, web 3, top flange 2-1 and lower flange The structure of 2-2 is identical;
Second, by the top flange of 4 U-type groove steel insertion basic section steel, lower flange quadrangle in, U-type groove steel and basic section steel Bolt hole is preset between the edge of a wing, U-type groove steel is aligned with the bolt hole on the edge of a wing of basic section steel, and the two passes through bolt and nut Component 1-5 is fixed;The duct 4 for wearing presstressed reinforcing steel is formed between U-type groove steel and the edge of a wing;
Third, after the completion of fashioned iron enhances component, the then steel reinforcement cage of construction beam or column;
4th, the concrete of casting beams or column.
5th, presstressed reinforcing steel is passed through in 4 jiaos of the basic section steel of duct, applies prestressing force;The presstressed reinforcing steel Using prestress wire, that is, use post-tensioned construction prestressing force.
Embodiment 2, difference from example 1 is that: the basic section steel uses " II " fashioned iron.
Embodiment 3: as shown in figure 3, basic section steel is buried in a kind of precast concrete beam or column, beam or column, construction step It is rapid as follows:
First, prepare component: fashioned iron enhances component comprising basic section steel and 4 U-type groove steel 1-1,1-2,1-3,1-4;Base Plinth fashioned iron uses I-steel, is made of top flange 2-1, lower flange 2-2, web 3, the structure of top flange 2-1 and lower flange 2-2 It is identical;Vertical steel pipe 1-7, two distal process of vertical steel pipe are respectively welded at left and right sides of the top flange, lower flange of basic section steel The edge of a wing out, the height of vertical steel pipe are greater than the thickness on the edge of a wing, and vertical steel pipe is hollow;The spacing of vertical steel pipe is 15-50cm;
Second, by the top flange of 4 U-type groove steel insertion basic section steel, lower flange quadrangle in, U-type groove steel and basic section steel Bolt hole is preset between the edge of a wing, U-type groove steel is aligned with the bolt hole on the edge of a wing of basic section steel, and the two passes through bolt and nut Component 1-6 is fixed;The duct 4 for wearing presstressed reinforcing steel is formed between U-type groove steel and the edge of a wing;
U-type groove steel is inserted into from the front of basic section steel, and two flank side surfaces on the insertion edge of a wing have protrusion, protrudes from the wing with vertical steel pipe The part of edge cooperates to the mutual alignment on positioning U type channel steel and the edge of a wing;The upper and lower surface of U-type groove steel and vertical steel pipe phase There is hole in corresponding part, both fixed by bolt and nut component;
Upper and lower outer panel 2-1-2, upper and lower interior plate 2-1-3 are welded, 2 U-type groove steel of top flange are arranged in upper outer panel On the outside of the edge of a wing;Lower outer panel is arranged on the outside of the edge of a wing of 2 U-type groove steel of lower flange;Upper interior plate, lower interior plate are set respectively Set one end on the inside of the edge of a wing of the U-type groove steel of top flange, lower flange and between web.
Third, after the completion of fashioned iron enhances component, the then steel reinforcement cage of construction beam or column;
4th, the concrete of casting beams or column.
5th, presstressed reinforcing steel is passed through in 4 jiaos of the basic section steel of duct, applies prestressing force;The presstressed reinforcing steel Using prestress wire, that is, use post-tensioned construction prestressing force.
Embodiment 4: with embodiment 3 the difference is that: pass through the left plate parallel with web and right side in U-type groove steel Plate 2-1-4 connection;So that 4 jiaos of U-type groove steel connects to form " mouth " font, beam/column Torsion bearing capacity is further increased.
Embodiment 5: with embodiment 3 the difference is that: upper and lower interior plate is connect by the way of diagonal brace with web, 4 pieces of interior plates and web are all made of diagonal brace, can be more conducive to the globality of U-type groove steel and basic section steel, be conducive to antitorque The raising of bearing capacity.
Reinforcement principle is illustrated from amechanical angle below, first, U-type groove steel and upper and lower outer panel and left and right side The square shape that plate is formed, square shape can be improved Torsion bearing capacity, this design from mechanics it will be understood that be the equal of A torque member is increased again on I-steel, also, U-type groove steel is arranged on the quadrangle of basic section steel, antitorque shape herein Become maximum, thus setting " square shape " can improve Torsion bearing capacity to greatest extent here;Second, for prestress steel For twisted wire, if its longitudinal direction is not arranged in U-type groove steel, effect is only the length elongation of steel strand wires, between steel strand wires For straight line;But be disposed in U-type groove steel, under the action of torque, steel strand wires reverse together with U-type groove steel, with The case where being not provided with U-type groove steel is different, and steel strand wires at this time are curve, for prestress wire, when it is by radial work When just becoming curve when firmly, and the deformation extent of steel strand wires is related with radial force size.As shown in fig. 6, above-mentioned radial direction masterpiece For basic section steel F1, F2, F3, F4, Torsion bearing capacity is improved.
The preferred embodiment of present aspect has already been described in detail above, it is understood that having read of the invention above-mentioned say After awarding content, those skilled in the art can make various modifications or changes to the present invention.Such equivalent forms equally fall into this Shen It please be in the protection scope of the appended claims.

Claims (8)

1. a kind of construction method for the concrete column for improving Torsion bearing capacity, which comprises the following steps:
First, prepare with lower member: fashioned iron enhances component, and it includes 4 U-lag steels and basic section steel that fashioned iron, which enhances component,;It is described Basic section steel is made of top flange, lower flange, web;
Second, U-type groove steel is installed: 4 U-lag steels are inserted into respectively in the quadrangle of the top flange of basic section steel, lower flange, U-shaped Channel steel is fixed along the elongated arrangement of basic section steel, U-lag steel and basic section steel, is formed between U-lag steel and the edge of a wing and is worn pre- answer The duct of power muscle;
Third, after the completion of fashioned iron enhances component, the steel reinforcement cage for column of then constructing;
4th, casting concrete;
5th, precast beam after the assembly is completed, wears presstressed reinforcing steel, applies prestressing force.
2. a kind of construction method of concrete column for improving Torsion bearing capacity according to claim 1, it is characterised in that:
In the first step, when preparing component, vertical steel pipe is respectively welded at left and right sides of the top flange, lower flange of basic section steel, The both ends outstanding flange of vertical steel pipe, the height of vertical steel pipe are greater than the thickness on the edge of a wing, and vertical steel pipe is hollow;Vertical steel pipe Spacing is 15-50cm.
3. a kind of construction method of concrete column for improving Torsion bearing capacity according to claim 2, it is characterised in that:
In second step, when according to U-type groove steel, U-lag steel is inserted into two flank side surfaces on the edge of a wing from the front insertion of basic section steel There is protrusion, the part for protruding from the edge of a wing with vertical steel pipe cooperates to the mutual alignment of positioning U-lag steel and the edge of a wing;U-shaped There is hole in the upper and lower surface of channel steel part corresponding with vertical steel pipe, both fixed by bolt and nut component.
4. a kind of construction method of concrete column for improving Torsion bearing capacity according to claim 3, it is characterised in that:
It in second step, installs in U-type groove steel, further includes: install outer panel and lower outer panel, upper outer panel is arranged in top flange 2 U-lag steels the edge of a wing on the outside of;Lower outer panel is arranged on the outside of the edge of a wing of 2 U-lag steels of lower flange.
5. a kind of construction method of concrete column for improving Torsion bearing capacity according to claim 3, it is characterised in that:
Further include: interior plate and lower interior plate are installed, upper interior plate, lower interior plate are separately positioned on the U of top flange, lower flange Between one end and web on the inside of the edge of a wing of shape channel steel.
6. a kind of construction method of concrete column for improving Torsion bearing capacity according to claim 3, it is characterised in that:
Further include: installation left plate and right side plate, left plate and right side plate are parallel with web, the U-shaped of basic section steel web two sides Channel steel passes through left plate respectively and connects with right side plate, and upper outer panel and lower outer panel and left plate and right edge make 4 jiaos of U-shaped Channel steel connects to form " mouth " font.
7. any one of -6 a kind of construction method for the concrete column for improving Torsion bearing capacity according to claim 1, feature It is:
The basic section steel is I-steel, and top flange is identical with the structure of lower flange.
8. any one of -6 a kind of construction method for the concrete column for improving Torsion bearing capacity according to claim 1, feature Be: the column is side column.
CN201810848913.7A 2017-01-03 2017-01-03 Construction method of concrete column for improving torsion-resistant bearing capacity Active CN109057156B (en)

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CN201810848913.7A CN109057156B (en) 2017-01-03 2017-01-03 Construction method of concrete column for improving torsion-resistant bearing capacity
CN201710002695.0A CN106760204B (en) 2017-01-03 2017-01-03 A kind of beams of concrete improving Torsion bearing capacity

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CN201810848913.7A Active CN109057156B (en) 2017-01-03 2017-01-03 Construction method of concrete column for improving torsion-resistant bearing capacity
CN201710002695.0A Active CN106760204B (en) 2017-01-03 2017-01-03 A kind of beams of concrete improving Torsion bearing capacity
CN201810848908.6A Active CN109057155B (en) 2017-01-03 2017-01-03 Concrete beam capable of improving torsion-resistant bearing capacity
CN201810848920.7A Active CN109057157B (en) 2017-01-03 2017-01-03 Concrete column

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CN201810848908.6A Active CN109057155B (en) 2017-01-03 2017-01-03 Concrete beam capable of improving torsion-resistant bearing capacity
CN201810848920.7A Active CN109057157B (en) 2017-01-03 2017-01-03 Concrete column

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