CN112800555A - Method for calculating stable bearing capacity of T-shaped ring beam of steel silo - Google Patents

Method for calculating stable bearing capacity of T-shaped ring beam of steel silo Download PDF

Info

Publication number
CN112800555A
CN112800555A CN202110087215.1A CN202110087215A CN112800555A CN 112800555 A CN112800555 A CN 112800555A CN 202110087215 A CN202110087215 A CN 202110087215A CN 112800555 A CN112800555 A CN 112800555A
Authority
CN
China
Prior art keywords
ring beam
shaped ring
inner edge
silo
wall
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202110087215.1A
Other languages
Chinese (zh)
Other versions
CN112800555B (en
Inventor
吴金池
侯国发
李振兴
汪春雄
谭亚伟
程辉
聂霖
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hubei Industrial Construction Group Co Ltd HICC
Original Assignee
Hubei Industrial Construction Group Co Ltd HICC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hubei Industrial Construction Group Co Ltd HICC filed Critical Hubei Industrial Construction Group Co Ltd HICC
Priority to CN202110087215.1A priority Critical patent/CN112800555B/en
Publication of CN112800555A publication Critical patent/CN112800555A/en
Application granted granted Critical
Publication of CN112800555B publication Critical patent/CN112800555B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F30/00—Computer-aided design [CAD]
    • G06F30/10—Geometric CAD
    • G06F30/17—Mechanical parametric or variational design
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F30/00—Computer-aided design [CAD]
    • G06F30/20—Design optimisation, verification or simulation
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2111/00—Details relating to CAD techniques
    • G06F2111/04—Constraint-based CAD
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2119/00—Details relating to the type or aim of the analysis or the optimisation
    • G06F2119/14—Force analysis or force optimisation, e.g. static or dynamic forces

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Geometry (AREA)
  • General Physics & Mathematics (AREA)
  • Evolutionary Computation (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
  • Rolling Contact Bearings (AREA)

Abstract

The invention discloses a method for calculating the stable bearing capacity of a T-shaped ring beam of a steel silo, wherein the stable bearing capacity sigma of the T-shaped ring beamcr＝k1σ1+k2σ2In the formula, k1Is the distribution coefficient k of the inner edge of the T-shaped ring beam under the pure simple support constraint2Distribution coefficient k of the inner edge of the T-shaped ring beam under pure fixed constraint1+k21, and 0.2 ≦ k1＜1，0＜k2≤0.8，σ1Is the bending stress of the inner edge of the T-shaped ring beam when in pure simple support constraint, sigma2The buckling stress of the inner edge of the T-shaped ring beam when the inner edge of the T-shaped ring beam is in pure fixed constraint. The invention considers the inner edge of the structural unit pair ring beam adjacent to the T-shaped ring beamThe semi-rigid constraint of the method designs a calculation formula of the stable bearing capacity of the T-shaped ring beam under the semi-rigid constraint, and specifies the values of the effective lengths of the bin wall, the bin skirt wall and the funnel wall which work together with the T-shaped ring beam, so that the purposes of economic and reasonable calculation results and high reliability can be achieved.

Description

Method for calculating stable bearing capacity of T-shaped ring beam of steel silo
Technical Field
The invention belongs to the technical field of special structures, and particularly relates to a method for calculating the stable bearing capacity of a T-shaped ring beam of a steel silo.
Background
A steel silo is an upright steel container for storing bulk material, and as shown in fig. 1, the structure generally comprises a silo roof 1, a silo wall 2, a silo skirt 3, a hopper 4, an upright post 5 and a T-shaped ring beam 6, wherein the T-shaped ring beam 6 is arranged at the intersection of the silo wall 2 and the hopper 4 and is used for resisting the larger annular pressure from the radial component of the bottom tension of the hopper 4. However, the T-shaped ring beam is prone to out-of-plane buckling failure under the action of the hoop pressure, and therefore the stable bearing capacity of the T-shaped ring beam needs to be designed.
Under the action of horizontal load, the stability of the ring beam is calculated according to the formula 5.4.4 in technical Specification for Steel Silo (GB 50884-2013), namely
Figure BDA0002911336210000011
The formula of the current specification is established on the basis of circular arc arch analysis, and the constraint of structural units (comprising a bin wall, a bin skirt wall and a funnel wall) adjacent to the ring beam on the inner edge of the ring beam is not considered in the calculation method. In practice, however, the stable bearing capacity of the ring beam is related to the constraint of the structural units adjacent to the ring beam to the inner edge of the ring beam, as shown in fig. 2, which is neither a pure simple support nor a pure fixed one, but rather a semi-rigid constraint between simple support and fixed one. Therefore, the stable bearing capacity of the ring beam calculated by the current specification has the defects of inconsistency with the actual bearing capacity and low reliability. In addition, the ring beam comprises a ring plate ring beam and a T-shaped ring beam, and the stable bearing capacity of the ring beam with different structures is not calculated according to the existing specification.
Disclosure of Invention
Aiming at the prior art that the stable bearing capacity of the T-shaped ring beam of the steel silo is not calculated at present, the invention provides a method for calculating the stable bearing capacity of the T-shaped ring beam of the steel silo, which considers the semi-rigid constraint of a structural unit adjacent to the T-shaped ring beam on the inner edge of the ring beam, designs a calculation formula of the stable bearing capacity of the T-shaped ring beam under the semi-rigid constraint, specifies the values of the effective lengths of the silo wall, the silo skirt wall and the funnel wall which work together with the T-shaped ring beam, and can achieve the purposes of economic and reasonable calculation result and high reliability.
The technical scheme adopted by the invention for solving the technical problems is as follows:
method for calculating stable bearing capacity of T-shaped ring beam of steel silocr＝k1σ1+k2σ2In the formula, k1Is the distribution coefficient k of the inner edge of the T-shaped ring beam under the pure simple support constraint2Is the distribution coefficient k of the inner edge of the T-shaped ring beam under pure fixed constraint1+k21, and 0.2 ≦ k1＜1，0＜k2≤0.8，σ1Is the bending stress of the inner edge of the T-shaped ring beam when in pure simple support constraint, sigma2The buckling stress of the inner edge of the T-shaped ring beam when the inner edge of the T-shaped ring beam is in pure fixed constraint.
According to the technical scheme, the buckling stress of the inner edge of the T-shaped ring beam is under pure simple support constraint
Figure BDA0002911336210000021
Buckling stress of T-shaped ring beam inner edge under pure fixed constraint
Figure BDA0002911336210000022
In the formula (I), the compound is shown in the specification,
Figure BDA0002911336210000023
e is the elastic modulus of the steel, G is the shear modulus of the steel, r is the radius of the bin wall, tpWeb thickness of T-shaped ring beam, bpIs the web width of the T-shaped ring beam, TfIs the flange thickness of the T-shaped ring beam, bfIs the flange width, x, of the T-shaped ring beamcIs the distance between the centroid of the T-shaped ring beam and the inner wall of the cabin skirt, IxIs effective radial section moment of inertia, I, of the T-shaped ring beamyIs the effective axial section inertia moment of the T-shaped ring beam, J is the effective section torsion constant of the T-shaped ring beam, ArIs the effective cross-sectional area of the T-shaped ring beam.
According to the technical scheme, the distribution coefficient of the inner edge of the T-shaped ring beam is in pure simple support constraint
Figure BDA0002911336210000024
Distribution coefficient of inner edge of T-shaped ring beam under pure fixed constraint
Figure BDA0002911336210000025
In the formula (I), the compound is shown in the specification,
Figure BDA0002911336210000026
tcis the wall thickness of the silo, tsIs the thickness of the skirt wall of the silo, thIs the thickness of the funnel wall, tpWeb thickness of T-shaped ring beam, bpThe web width of the T-shaped ring beam.
According to the technical scheme, the effective length of the bin wall working together with the T-shaped ring beam is min {0.5(rctc)0.5, 15Tc(235/fy)0.5In the formula, rcIs the equivalent radius of curvature of the wall of the silo, tcIs the thickness of the wall of the silo, fyThe yield strength of the steel.
According to the technical scheme, the effective length of the cabin skirt wall working together with the T-shaped ring beam is min {0.5 (r)sts)0.5，15ts(235/fy)0.5In the formula, rsIs the equivalent radius of curvature of the wall of the silo skirt, tsIs the thickness of the skirt wall of the silo, fyThe yield strength of the steel.
According to the technical scheme, the effective length of the funnel wall working together with the T-shaped ring beam is min {0.5 (r) }hth)0.5，15th(235/fy)0.5In the formula, rhIs the equivalent radius of curvature of the funnel wall, thIs the thickness of the funnel wall, fyThe yield strength of the steel.
The invention has the following beneficial effects: the invention considers that the stable bearing capacity of the T-shaped ring beam of the steel silo is related to the constraint of the structural units (comprising the silo wall, the silo skirt wall and the funnel wall, the same below) adjacent to the T-shaped ring beam on the inner edge of the T-shaped ring beam, and the constraint is semi-rigid constraint between simple support and fixation, so the invention reasonably designs the distribution coefficient k of the buckling stress of the inner edge of the T-shaped ring beam in the two constraint states1、k2When the distribution coefficient is designed, considering that the thickness of the T-shaped ring beam is not less than that of the structural unit adjacent to the ring beam, when the thickness of the T-shaped ring beam is equal to that of the structural unit adjacent to the ring beam, the constraint effect of the structural unit adjacent to the T-shaped ring beam on the inner edge of the T-shaped ring beam is most obvious, and the distribution coefficient k is specified when the inner edge of the ring beam is simply supported at the moment1When the minimum value is 0.2 and the inner edge of the ring beam is fixed, the distribution coefficient k is2The maximum value of 0.8 is reached, so the values of the two distribution coefficients are designed as follows: k is a radical of1+k21, and 0.2 ≦ k1＜1，0＜k2Less than or equal to 0.8, so that the stable bearing capacity of the T-shaped ring beam can be designed reasonably and accurately, and the reliability of the steel silo is improved.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
figure 1 is a schematic structural view of a typical steel silo provided with a T-shaped ring beam;
figure 2 is a schematic view of an effective cross section of a steel silo T-ring beam.
In the figure: 1-bin top, 2-bin wall, 3-bin skirt, 4-funnel, 5-upright post and 6-T-shaped ring beam.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Method for calculating stable bearing capacity of T-shaped ring beam of steel silo, and stable bearing capacity sigma of T-shaped ring beamcr＝k1σ1+k2σ2In the formula, k1Is the distribution coefficient k of the inner edge of the T-shaped ring beam under the pure simple support constraint2Is the distribution coefficient k of the inner edge of the T-shaped ring beam under pure fixed constraint1+k21, and 0.2 ≦ k1＜1，0＜k2≤0.8，σ1Is the bending stress of the inner edge of the T-shaped ring beam when in pure simple support constraint, sigma2The buckling stress of the inner edge of the T-shaped ring beam when the inner edge of the T-shaped ring beam is in pure fixed constraint.
In a preferred embodiment of the invention, the invention also provides sigma1、σ2The calculation formula (2) of (a), specifically,
buckling stress of inner edge of T-shaped ring beam under pure simple support constraint
Figure BDA0002911336210000041
Buckling stress of T-shaped ring beam inner edge under pure fixed constraint
Figure BDA0002911336210000042
In the formula (I), the compound is shown in the specification,
Figure BDA0002911336210000043
e is the elastic modulus of the steel, G is the shear modulus of the steel, r is the radius of the bin wall, tpWeb thickness of T-shaped ring beam, bpIs the web width of the T-shaped ring beam, TfIs the flange thickness of the T-shaped ring beam, bfIs the flange width, x, of the T-shaped ring beamcIs the distance between the centroid of the T-shaped ring beam and the inner wall of the cabin skirt, IxIs effective radial section moment of inertia, I, of the T-shaped ring beamyIs a T-shaped ring beam along the axial directionEffective section moment of inertia, J is T-shaped ring beam effective section torsional constant, ArThe effective cross-sectional area of the T-shaped ring beam is shown in fig. 2. The sigma which is economic, reasonable and high in reliability can be calculated by the calculation formula provided by the invention1、σ2And the reliability of the expression of the stable bearing capacity of the T-shaped ring beam is further ensured.
In a preferred embodiment of the invention, the invention also provides k1、k2The calculation formula (2) of (a), specifically,
distribution coefficient of inner edge of T-shaped ring beam under pure simple support constraint
Figure BDA0002911336210000044
Distribution coefficient of inner edge of T-shaped ring beam under pure fixed constraint
Figure BDA0002911336210000045
In the formula (I), the compound is shown in the specification,
Figure BDA0002911336210000051
tcis the wall thickness of the silo, tsIs the thickness of the skirt wall of the silo, thIs the thickness of the funnel wall, tpWeb thickness of T-shaped ring beam, bpThe web width of the T-shaped ring beam. The k with economy, reasonability and high reliability can be calculated by the calculation formula provided by the invention1、k2And the reliability of the expression of the stable bearing capacity of the T-shaped ring beam is further ensured.
Considering that how to set the values of the effective lengths of the bin wall, the bin skirt wall and the funnel wall which work together with the T-shaped ring beam in the prior art is not specified, in the preferred embodiment of the invention, the invention also provides the values of the effective lengths of the bin wall, the bin skirt wall and the funnel wall which work together with the T-shaped ring beam, so that the purposes of economic and reasonable calculation results and high reliability can be achieved, and the specific values are as follows:
the effective length of the bin wall working together with the T-shaped ring beam is min {0.5 (r) }ctc)0.5，15tc(235/fy)0.5}，
The effective length of the cabin skirt wall working together with the T-shaped ring beam is min {0.5 (r) }sts)0.5，15ts(235/fy)0.5The effective length of the funnel wall working together with the T-shaped ring beam is min {0.5 (r) }hth)0.5，15th(256/fy)0.5In the formula, rc、rs、rhRespectively the equivalent curvature radius of the bin wall, the bin skirt wall and the funnel wall, fyThe yield strength of the steel.
Application examples of the present invention are described in detail below.
The calculation method provided by the invention is used for carrying out example analysis on the T-shaped ring beam of the steel silo of a certain flue gas desulfurization project.
The basic parameters of the steel silo are as follows: r is 3000mm, tc＝12mm，ts＝12mm，th＝10mm，tp＝14mm，bp＝400mm，tf＝14mm，bf＝200mm，E＝206000MPa，G＝79231MPa，fy＝235MPa，Ar＝11607mm2，xc＝203mm，Ix＝18081504mm4，Iy＝341917800mm4，J＝689108mm4，
Figure BDA0002911336210000052
Figure BDA0002911336210000053
The method for calculating the stable bearing capacity of the T-shaped ring beam of the steel silo comprises the following steps:
step 1: buckling stress sigma when inner edge of T-shaped ring beam is in pure simple support constraint1Bending stress sigma when the inner edge of the T-shaped ring beam is in pure fixed constraint2，
Figure BDA0002911336210000061
Figure BDA0002911336210000062
Step 2: considering the influence of boundary conditions, calculating the distribution coefficient k when the inner edge of the T-shaped ring beam is under pure simple support constraint1Distribution coefficient k when inner edge of T-shaped ring beam is in pure fixed constraint2，
Figure BDA0002911336210000063
Figure BDA0002911336210000064
And step 3: calculating the stable bearing capacity sigma of the T-shaped ring beamcr，
σcr＝k1σ1+k2σ2＝888MPa。
For the above embodiment, according to GB 50884-2013 formula 5.4.4, the ring beam critical stress is calculated to be 157MPa, which is much smaller than the calculation result of the present invention. It can be seen that the existing normative calculation method is too conservative, which results in increased cost and is uneconomical.
According to the invention, semi-rigid constraint of a structural unit adjacent to the T-shaped ring beam on the inner edge of the ring beam is considered, a calculation formula for stable bearing capacity of the T-shaped ring beam under the semi-rigid constraint is provided, and values of the effective length of the bin wall, the effective length of the bin skirt wall and the effective length of the funnel wall which work together with the T-shaped ring beam are specified, so that the purposes of economic and reasonable calculation result and high reliability can be achieved.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.

Claims (6)

1. A calculation method for stable bearing capacity of a T-shaped ring beam of a steel silo is characterized in that the stable bearing capacity sigma of the T-shaped ring beamcr＝k1σ1+k2σ2，
In the formula, k1Is the distribution coefficient k of the inner edge of the T-shaped ring beam under the pure simple support constraint2Is the distribution coefficient k of the inner edge of the T-shaped ring beam under pure fixed constraint1+k21, and 0.2 ≦ k1＜1，0＜k2≤0.8，σ1Is the bending stress of the inner edge of the T-shaped ring beam when in pure simple support constraint, sigma2The buckling stress of the inner edge of the T-shaped ring beam when the inner edge of the T-shaped ring beam is in pure fixed constraint.
2. The method for calculating the stable bearing capacity of the steel silo T-shaped ring beam as claimed in claim 1,
buckling stress of inner edge of T-shaped ring beam under pure simple support constraint
Figure FDA0002911336200000011
Buckling stress of T-shaped ring beam inner edge under pure fixed constraint
Figure FDA0002911336200000012
In the formula (I), the compound is shown in the specification,
Figure FDA0002911336200000013
e is the elastic modulus of the steel, G is the shear modulus of the steel, r is the radius of the bin wall, tpWeb thickness of T-shaped ring beam, bpIs the web width of the T-shaped ring beam, TfIs the flange thickness of the T-shaped ring beam, bfIs the flange width, x, of the T-shaped ring beamcIs the distance between the centroid of the T-shaped ring beam and the inner wall of the cabin skirt, IxIs effective radial section moment of inertia, I, of the T-shaped ring beamyIs the effective axial section inertia moment of the T-shaped ring beam, J is the effective section torsion constant of the T-shaped ring beam, ArIs the effective cross-sectional area of the T-shaped ring beam.
3. The method for calculating the stable bearing capacity of the steel silo T-shaped ring beam as claimed in claim 1 or 2,
the inner edge of the T-shaped ring beam is in pure simple support constraintDistribution coefficient of time
Figure FDA0002911336200000014
Distribution coefficient of inner edge of T-shaped ring beam under pure fixed constraint
Figure FDA0002911336200000015
In the formula (I), the compound is shown in the specification,
Figure FDA0002911336200000016
tcis the wall thickness of the silo, tsIs the thickness of the skirt wall of the silo, thIs the thickness of the funnel wall, tpWeb thickness of T-shaped ring beam, bpThe web width of the T-shaped ring beam.
4. The method for calculating the stable bearing capacity of the T-shaped ring beam of the steel silo as claimed in claim 1, wherein the effective length of the silo wall working together with the T-shaped ring beam is min {0.5 (r) }ctc)0.5，15tc(235/fy)0.5In the formula, rcIs the equivalent radius of curvature of the wall of the silo, tcIs the thickness of the wall of the silo, fyThe yield strength of the steel.
5. The method for calculating the stable bearing capacity of the steel silo T-shaped ring beam as claimed in claim 1, wherein the effective length of the silo skirt wall working together with the T-shaped ring beam is min {0.5 (r) {0.5 }sts)0.5，15ts(235/fy)0.5In the formula, rsIs the equivalent radius of curvature of the wall of the silo skirt, tsIs the thickness of the skirt wall of the silo, fyThe yield strength of the steel.
6. The method for calculating the stable bearing capacity of the T-shaped ring beam of the steel silo as claimed in claim 1, wherein the effective length of the funnel wall working together with the T-shaped ring beam is min {0.5 (r) }hth)0.5，15th(235/fy)0.5In the formula, rhIs the equivalent radius of curvature of the funnel wall, thIs the thickness of the funnel wall, fyThe yield strength of the steel.
CN202110087215.1A 2021-01-22 2021-01-22 Method for calculating stable bearing capacity of T-shaped ring beam of steel silo Active CN112800555B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110087215.1A CN112800555B (en) 2021-01-22 2021-01-22 Method for calculating stable bearing capacity of T-shaped ring beam of steel silo

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110087215.1A CN112800555B (en) 2021-01-22 2021-01-22 Method for calculating stable bearing capacity of T-shaped ring beam of steel silo

Publications (2)

Publication Number Publication Date
CN112800555A true CN112800555A (en) 2021-05-14
CN112800555B CN112800555B (en) 2021-09-07

Family

ID=75811181

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110087215.1A Active CN112800555B (en) 2021-01-22 2021-01-22 Method for calculating stable bearing capacity of T-shaped ring beam of steel silo

Country Status (1)

Country Link
CN (1) CN112800555B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113255048A (en) * 2021-06-25 2021-08-13 清华大学 Composite steel composite beam and method for acquiring bearing capacity thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015094095A (en) * 2013-11-11 2015-05-18 株式会社 構造材料研究会 Cross-sectional corner part reinforcement structural member
CN204715540U (en) * 2015-06-18 2015-10-21 长安大学 A kind of round steel pipe binding type steel concrete column and steel beam joint structure
CN106758738A (en) * 2016-12-20 2017-05-31 武汉理工大学 The method that elastic restraint against rotation border steel reinforced concrete combination deck-molding web longitudinal stiffener is set
CN111737807A (en) * 2020-07-02 2020-10-02 清华大学 Determination method for bearing capacity of angle steel connecting piece considering concrete void
CN112214822A (en) * 2020-10-20 2021-01-12 杭州铁木辛柯建筑结构设计事务所有限公司 Method for improving one-way bending stability limit bearing of wide steel pipe concrete column

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015094095A (en) * 2013-11-11 2015-05-18 株式会社 構造材料研究会 Cross-sectional corner part reinforcement structural member
CN204715540U (en) * 2015-06-18 2015-10-21 长安大学 A kind of round steel pipe binding type steel concrete column and steel beam joint structure
CN106758738A (en) * 2016-12-20 2017-05-31 武汉理工大学 The method that elastic restraint against rotation border steel reinforced concrete combination deck-molding web longitudinal stiffener is set
CN111737807A (en) * 2020-07-02 2020-10-02 清华大学 Determination method for bearing capacity of angle steel connecting piece considering concrete void
CN112214822A (en) * 2020-10-20 2021-01-12 杭州铁木辛柯建筑结构设计事务所有限公司 Method for improving one-way bending stability limit bearing of wide steel pipe concrete column

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113255048A (en) * 2021-06-25 2021-08-13 清华大学 Composite steel composite beam and method for acquiring bearing capacity thereof

Also Published As

Publication number Publication date
CN112800555B (en) 2021-09-07

Similar Documents

Publication Publication Date Title
CN112800555B (en) Method for calculating stable bearing capacity of T-shaped ring beam of steel silo
EP2615226B1 (en) Steel pipe column structure and method for producing same
CN109184310B (en) Supporting structure and supporting system of tensile and compressive weak combination type
CN112906104B (en) Calculation method for stable bearing capacity of ring beam of ring plate of steel silo
CN106621621B (en) A kind of construction and method enhancing H-shaped section Column stability
CN102482881B (en) Rolled h-section steel beam
CN108563870B (en) Method for calculating breeze vibration fatigue life of steel tube tower rod piece
JP6003526B2 (en) Rolled H-section steel
CN111027157B (en) Design method of flexible support system of double-limb combined cross-section bending column of dust remover box body
CN109184309B (en) Shockproof support structure and support system
JP6003527B2 (en) Rolled H-section steel
CN111104710B (en) Method for designing cylinder structure of self-supporting steel chimney under wind load action
CN103233542B (en) Counter support suspension rod and construction method thereof
JP2750098B2 (en) H-shaped beam reinforcement structure
Panagiotopoulos Ultimate torsional strength of flat-bar stiffeners attached to flat plating under axial compression
CN211571375U (en) Assembled elastic-plastic energy consumption device and rigid frame bridge thereof
CN107563057B (en) Design and evaluation method for bearing capacity of bowl buckle bearing support
Subelza et al. Displacements of side walls with wall-girts in industrial building under vertical settlements
Angelides Seismic considerations in the design of columns for large cooling towers
CN209325809U (en) A kind of band breaks the steel stack of wind apparatus and shock-absorbing function
CN207007203U (en) A kind of instrument board outer rim
CN110306446A (en) A kind of restorative procedure applied to steel truss girder bridge bottom lateral bracing
CN208564123U (en) A kind of uncovered steel coal hopper spring leaf closure node
JP2007291721A (en) Truss structure
JP6939590B2 (en) Girder structure

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant