GB 50190-2020 English PDFUS$1839.00 · In stock
Delivery: <= 10 days. True-PDF full-copy in English will be manually translated and delivered via email. GB 50190-2020: Standard for vibration control design of industrial buildings Status: Valid GB 50190: Historical versions
Basic dataStandard ID: GB 50190-2020 (GB50190-2020)Description (Translated English): Standard for vibration control design of industrial buildings Sector / Industry: National Standard Classification of Chinese Standard: P15 Word Count Estimation: 92,927 Date of Issue: 2020-06-09 Date of Implementation: 2021-03-01 Older Standard (superseded by this standard): GB 50190-1993 Quoted Standard: GB 50010; GB 50017; GB 50463; GB 50868; GB/T 51228 Issuing agency(ies): Ministry of Housing and Urban-Rural Development of the People's Republic of China; State Administration for Market Regulation Summary: This standard applies to the structural vibration control design of industrial buildings under mechanical vibration loads, and does not apply to the vibration control of structures under the action of earthquakes, wind and other excitations. The design of industrial building vibration control shall not only conform to this standard, but also conform to the provisions of relevant national standards. GB 50190-2020: Standard for vibration control design of industrial buildings---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.1 General 1.0.1 In order to implement relevant national laws and regulations and technical and economic policies in the vibration control of industrial building structures, ensure that industrial buildings meet structural safety, normal production and environmental requirements under the action of vibration loads, and achieve advanced technology and economical rationality, this standard is formulated. 1.0.2 This standard applies to structural vibration control design of industrial buildings under the action of mechanical vibration loads, not applicable to structural vibration control under earthquake, wind and other excitations. 1.0.3 The vibration control design of industrial buildings shall not only comply with this standard, but also comply with the current relevant national standards. 2 Terms and symbols 2.1 Terminology 2.1.1 building vibration Vibration of building structures caused by vibratory loads. 2.1.2 allowable vibration value allowable vibration value The limit value of the vibration index of the vibration object. 2.1.3 horizontal vibration horizontal vibration For vibration parallel to the ground, the two orthogonal directions are represented by the χ axis and the У axis. 2.1.4 vertical vibration vertical vibration The vibration perpendicular to the ground is represented by the Z axis. 2.1.5 first frequency compact zone first frequency dense zone Under the action of vibration load, the frequency-intensive area first appears on the amplitude-frequency characteristic curve of the multi-span continuous structure. 2.1.6 vibration control vibration control Take measures to reduce the vibration response of the structure to the vibration load source, the vibration transmission path or the building structure itself. 2.1.7 vibration isolation vibration isolation Measures to reduce the transmission of vibrations using elastic elements, damping elements or barriers. 2.2 Symbols 2.2.1 Action and action effect. u—vibration displacement; v - vibration velocity; a—vibration acceleration; Fv - vibration load; Fv0—vibration load amplitude; R——the resistance design value of the structural member; S - effect design value; C——Effect limit value of normal use of equipment and instruments; δ—deformation of the member under the action of unit force. 2.2.2 Calculation indicators. K—system or component stiffness; m—the uniform mass of the member; E - modulus of elasticity of the material; f——structure natural frequency; f0——equipment vibration load frequency; fe,min——minimum value of the frequency in the frequency sweep area; fe,max——maximum value of the frequency in the frequency sweep area; ε——sweep calculation parameters; w——circular frequency of vibration; ζ——Damping ratio. 2.2.3 Geometric parameters. A0——equipment base area; B - gable spacing; H - the height of the column top of a single-storey industrial building; I - moment of inertia of member section; L——Structural transverse span, component span; r0——Equipment foundation conversion radius. 3 Basic Regulations3.1 General provisions 3.1.1 The vibration control of industrial buildings shall meet the requirements for the normal use of equipment and instruments as well as the requirements for the bearing capacity of structures and components. 3.1.2 The vibration control design of industrial buildings shall have the following information. 1 General plan of the project and process layout; 2 Equipment and instrument floor plan, equipment name, model, shape and base size; 3 Vibration load of power equipment; 4 Allowable vibration standards for controlled equipment and instruments; 5 Structural plan and section; 6 Construction site geotechnical investigation report; 7 Power equipment and environmental vibration data around the building, buildings with high requirements for vibration control and crowd distribution data. 3.1.3 The vibration control design of industrial buildings shall meet the following requirements. 1 The vibration load shall be determined according to the relevant provisions of the current national standard "Building Vibration Load Standard" GB/T 51228; 2 The permissible vibration standard should be determined according to the relevant provisions of the current national standard "Construction Engineering Permissible Vibration Standard" GB 50868; 3 When adopting vibration isolation measures, they should comply with the relevant provisions of the current national standard "Engineering Vibration Isolation Design Standards" GB 50463. 3.1.4 The natural vibration frequency of industrial building structures should avoid the vibration load frequency. 3.1.5 When the industrial building structure is under the action of vibration of large power equipment, when the vibration control cannot meet the requirements of normal use, measures should be taken to reduce the vibration output of the power equipment or to isolate and reduce vibration. 3.2 Site selection and equipment layout of industrial buildings 3.2.1 When the equipment and instruments in the industrial building have high requirements on the vibration environment, the site selection of the building should be far away from the vibration source with relatively large vibration. 3.2.2 When the vibration load of industrial building power equipment is relatively large, the site selection should avoid soft soil, filled soil, liquefied soil and other unfavorable geology; if it cannot be avoided, foundation treatment should be carried out. 3.2.3 During the process design of industrial buildings, equipment with large vibrations should be arranged separately from precision instruments and processing equipment, and ordinary processing equipment should be arranged separately from precision processing equipment. 3.2.4 The arrangement of power equipment should meet the following requirements. 1 The equipment and impact machines with heavy self-weight and heavy vibration load should be arranged on the ground floor of the building; 2 The power equipment on the floor should be arranged along the main and secondary beams of the floor, and the equipment with large vertical vibration should be arranged at the end area of the main beam; 3 The auxiliary vibration equipment of the building should be concentrated in the areas that have less impact on the vibration of precision processing and precision instruments. 3.3 Structural selection and layout 3.3.1 The structural type selection of industrial buildings shall meet the requirements of production technology and building functions, and shall comply with the following regulations. 1 For industrial buildings subject to vibration loads, reinforced concrete structures, composite structures or steel structures should be adopted; 2 The layout of the lateral force-resistant structures of industrial buildings shall be coordinated with the direction of the vibration load; 3 The plane and vertical layout of the structure should be regular, and the force transmission path should be clear and reasonable; 4 Multi-storey industrial buildings should adopt concrete floors or composite floors. 3.3.2 When power equipment with large vibration load is installed in an industrial building, the foundation should be set separately for the power equipment and separated from the main structure. 3.3.3 It is not suitable to install cranes in multi-storey industrial buildings with high vibration control requirements; when it is necessary to install cranes, an independent supporting structure should be installed and separated from the main structure. 3.3.4 For industrial buildings subjected to vibration, when the natural foundation cannot meet the vibration control requirements, foundation treatment or pile foundation should be used. 3.3.5 For industrial building structures subjected to vibration loads, the strength grade of concrete shall not be lower than C30. 3.4 Structural Vibration Check Calculation 3.4.1 During the vibration control design of industrial buildings, the limit state of normal service of the structure shall meet the requirements of the following formula. In the formula. Sv — design value of vibration load effect in limit state of normal service; Cv—the effect limit value of equipment and instruments in normal use. 3.4.2 During the vibration control design of industrial buildings, the limit state of the structure’s bearing capacity shall meet the requirements of the following formula. In the formula. r0——structural importance coefficient; S——the effect design value of the action combination under the limit state of bearing capacity; R——The resistance design value of the structure or member. 3.4.3 The fatigue checking of structural components under vibration loads shall be carried out in accordance with the relevant provisions of the current national standards "Code for Design of Concrete Structures" GB 50010 and "Standards for Design of Steel Structures" GB 50017, and the standard value of the load shall be in accordance with Section 3.4 of this standard.7 determined by the provisions. 3.4.4 When industrial buildings are subjected to vibration loads, the deformation design values of structures and components shall be calculated according to the following formula. In the formula. u—deformation design value of structures and components; us—deformation value of structure and component under static load; uv—deformation amplitude of structures and components under vibration loads. 3.4.5 When checking the tensile stress and cracks of reinforced concrete members of industrial buildings under the action of vibration load, the design value of the internal force combination of the member section should be calculated according to the following formula. In the formula. S — design value of internal force combination of structural members; Ss—design value of internal force combination of structural member under static load. 3.4.6 When checking the bearing capacity of industrial building components, the basic combination of the vibration load effect of structural components and other static load effects should be calculated according to the following formula. 3.4.7 During the fatigue checking calculation of industrial building components, the combination of the vibration load effect of structural components and the standard value of other load effects shall be calculated according to the following formula. In the formula. Sks—standard value of internal force combination of member under static load. 3.4.8 When calculating the limit state of normal service of industrial buildings, the effect combination of multi-source vibration loads shall meet the following requirements. 1 When two periodic vibration loads act, the combined value of the effect of the vibration load should be calculated according to the following formula. In the formula. Sv1, Sv2—the effects of the first and second vibration loads. 2 When multiple periodic vibration loads or steady-state random vibration loads are combined, the combined value of the vibration load action effect should be calculated according to the following formula, and the larger value of the two should be taken. In the formula. Svi——the effect value of the i-th vibration load; n - the total number of vibration loads; Svmax1——the first maximum value of the vibration load effect; Svmax2——The second maximum value of the vibration load effect. 3 When the impact load plays a controlling role, the combined value of the effect of the vibration load should be calculated according to the following formula. where. Svp — maximum impact load effect value.4 Calculation of structural vibration4.1 General provisions 4.1.1 When designing the vibration control of industrial building structures, the horizontal vibration and vertical vibration of the overall structure can be calculated separately. 4.1.2 The calculation of the horizontal dynamic characteristics and vibration response of the structure shall meet the following requirements. 1 The numerical analysis method should be adopted and the impact of structural space effects should be taken into account; 2 For structures with regular plane and vertical layout, uniform distribution of structural mass and stiffness, high floor stiffness and small vibration load eccentricity, the calculation may be based on the requirements of the simplified method specified in Chapter 5 and Chapter 6 of this standard; 3 When the vibration load frequency is greater than the second-order frequency of the structure in the corresponding direction, the equivalent static load of the vibration load amplitude can be used for calculation. 4.1.3 The calculation of vertical dynamic characteristics and vibration response of floors and roofs shall meet the following requirements. 1 Numerical analysis method should be adopted; 2 When the following conditions are met, it can be simplified to a single structure, and the vertical vibration analysis shall be carried out according to the methods specified in Chapters 5 to 7 of this standard. 1) When the vertical force on the roof of a single-story industrial building has no spatial synergy; 2) The stiffness and mass distribution of the multi-storey industrial building floor is relatively uniform, and the maximum difference between the spans of each span does not exceed 20%, and the machine speed is less than 1500r/min. 4.1.4 When calculating the structural dynamic characteristics and vibration response, the representative value of the gravity load of the building shall be the sum of the standard value of the self-weight of the structure and components and the combined value of each variable load; the combined value of the variable load shall meet the following requirements. 1 When calculating the overall natural frequency and vibration response of the structure, the floor live load can be combined with the same load as the design of the main beam, and the quasi-permanent value factor is included in the combination; 2 When calculating the overall natural vibration frequency and vertical vibration response of the floor, the live load of the floor adopts the same load as that of the secondary beam design, and the quasi-permanent value coefficient is included in the combination; 3 When calculating the local natural vibration frequency and vertical vibration response of the floor, the floor live load should be included according to the actual situation. 4.1.5 The damping ratio in structural vibration calculation should comply with the requirements in Table 4.1.5. 4.1.6 In the calculation of structural vibration, the material strength, elastic modulus and Poisson's ratio of concrete, reinforcement and steel shall be determined in accordance with the current national standards "Code for Design of Concrete Structures" GB 50010 and "Standards for Design of Steel Structures" GB 50017.Regulations are enforced. 4.1.7 During structural vibration analysis, the calculation of component stiffness should meet the following requirements. 1 For cast-in-place floors and assembled integral floors, the calculation width of the effective flange of the beam should be determined according to the relevant provisions of the current national standard "Code for Design of Concrete Structures" GB 50010; the mortar surface on the floor can be included in 1/2 of the thickness calculate; 2 When the equipment foundation is reliably connected to the floor, the influence of the foundation on the stiffness of the floor should be included. 4.1.8 Under the action of a single periodic load, the vibration velocity and vibration acceleration of the structure can be calculated according to the following formula. In the formula. v - vibration velocity (m/s); a——vibration acceleration (m/s2); u—vibration displacement (m); ω—circular frequency of vibration load (rad/s). 4.2 Numerical calculation method for structural vibration analysis 4.2.1 When numerical calculation methods are used for structural vibration analysis, the following requirements shall be met. 1 Under the action of harmonic, periodic or concentrated frequency band vibration loads, the structural vibration analysis can be carried out in the frequency domain by using the transfer function method; 2 Under the action of vibration loads with unstable, non-periodic or complex frequency components, and for dynamic analysis of structures with complex forces, it is advisable to use the dynamic time-history analysis method in the time domain for structural vibration analysis. 4.2.2 When calculating the vibration response of the structure, it should be calculated within the frequency sweep area of the vibration load, and should meet the following requirements. 1 When the dominant mode frequency of the structure is within the range of the frequency sweep area, the value interval of the vibration load frequency should not be greater than 0.5 Hz, and should cover all structural frequencies within the range of the frequency sweep area; 2 When the frequency of the first-order mode shape of the structure is higher than the maximum frequency of the frequency sweep area, the frequency of the vibration load can take the maximum value of the frequency of the frequency sweep area; The minimum frequency of the sweep area. 4.2.3 The maximum and minimum frequency values in the frequency sweep area of vibration loads shall be calculated according to the following formula. In the formula, fe,min——minimum value of frequency in frequency sweep area (Hz); fe,max——maximum value of frequency in sweep area (Hz); fe——vibration load frequency of equipment (Hz); ε — frequency sweep parameter, to be determined according to Table 4.2.3. 4.2.4 Finite element method may be used for numerical analysis of structural dynamic characteristics and vibration response, and the selection of calculation units shall meet the following requirements. 1.The overall horizontal vibration of the structure shall be calculated as an independent structural unit. When a building is connected with ancillary buildings or structures, the influence of the ancillary structures shall be included; 2 The calculation of the vertical vibration of the floor shall be carried out with independent structural units; when the inter-story transfer is not included, the floors on which the vibration load acts may be calculated separately. 5 Vibration control of single-story industrial buildings 5.1 General provisions 5.1.1 When power equipment is installed on the roof of a single-story industrial building, the vibration response of the roof under horizontal and vertical vibration loads should be checked; when the vertical vibration speed of the roof exceeds 20mm/s, the roof should be Bearing capacity and fatigue checks under vibration loads. 5.1.2 When a single-story industrial building adopts a natural foundation, the allowable vibration acceleration of the foundation should be determined according to Table 5.1.2. 5.1.3 When the vibration of power equipment such as forging hammers, presses, drop hammers, crushers, and mills has an impact on the foundation of a single-story industrial building, the characteristic value of the bearing capacity of the foundation soil used in the design of the foundation foundation should be included in the vibration influence Reduction factor, the reduction factor can be calculated as follows. In the formula. αf——the reduction coefficient of the vibration effect of the characteristic value of the foundation soil bearing capacity of the building structure foundation; a - the maximum value of vibration acceleration ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB 50190-2020_English be delivered?Answer: Upon your order, we will start to translate GB 50190-2020_English as soon as possible, and keep you informed of the progress. The lead time is typically 6 ~ 10 working days. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of GB 50190-2020_English with my colleagues?Answer: Yes. The purchased PDF of GB 50190-2020_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.Question 3: Does the price include tax/VAT?Answer: Yes. 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