ASTM E1486-14(2022) PDF
Standard Test Method for Determining Floor Tolerances Using Waviness, Wheel Path and Levelness Criteria
Standard Test Method for Determining Floor Tolerances Using Waviness, Wheel Path and Levelness Criteria
- Статус документа:
- Действующий
- Формат:
- Электронный (PDF)
- Количество страниц:
- 13
- Дата публикации:
- 1 октября 2022 г.
- Издание:
- E1486
- ICS:
- 91.060.30
SIGNIFICANCE AND USE 5.1 This test method provides statistical and graphical information concerning floor surface profiles. 5.2 Results of this test method are for the purpose of: 5.2.1 Establishing compliance of random or fixed-path trafficked floor surfaces with specified tolerances, 5.2.2 Evaluating the effect of different construction methods on the waviness of the resulting floor surface, 5.2.3 Investigating the curling and deflection of concrete floor surfaces, 5.2.4 Establishing, evaluating, and investigating the profile characteristics of other surfaces, and 5.2.5 Establishing, evaluating, and investigating the levelness characteristics of surfaces. 5.3 Application: 5.3.1 Random Traffic—When the traffic patterns across a floor are not fixed, two sets of survey lines, approximately equally spaced and at right angles to each other, shall be used. The survey lines shall be spaced across the test section to produce lines of approximately equal total length, both parallel to and perpendicular to the longest test section boundary. Limits are specified in 7.2.2 and 7.3.2. 5.3.2 Defined Wheel Path Traffic—For surfaces primarily intended for defined wheel path traffic, only two wheel paths and the initial transverse elevation difference (“side-to-side”) between wheels shall be surveyed. 5.3.3 Time of Measurement—For new concrete floor construction, the elevation measurements shall be made within 72 h of final concrete finishing. For existing structures, measurements shall be taken as appropriate. 5.3.4 Elevation Conformance—Use is restricted to shored, suspended surfaces. 5.3.5 RMS Levelness—Use is unrestricted, except that it is excluded from use with cambered surfaces and unshored, elevated surfaces. SCOPE 1.1 This test method covers data collection and analysis procedures to determine surface flatness and levelness by calculating waviness indices for survey lines and surfaces, elevation differences of defined wheel paths, and levelness indices using the inch-pound system of units. Note 1: This test method is the companion to SI Test Method E1486M; therefore, no SI equivalents are shown in this test method. Note 2: This test method was not developed for, and does not apply to, clay or concrete paver units. 1.1.1 The purpose of this test method is to provide the user with floor tolerance estimates as follows: 1.1.1.1 Local survey line waviness and overall surface waviness indices for floors based on deviations from the midpoints of imaginary chords as they are moved along a floor elevation profile survey line. End points of the chords are always in contact with the surface. The imaginary chords cut through any points in the concrete surface higher than the chords. 1.1.1.2 Defined wheel path criteria based on transverse and longitudinal elevation differences, change in elevation difference, and root mean square (RMS) elevation difference. 1.1.1.3 Levelness criteria for surfaces characterized by either of the following methods: the conformance of elevation data to the test section elevation data mean or the conformance of the RMS slope of each survey line to a specified slope for each survey line. 1.1.2 The averages used throughout these calculations are RMS (that is, the quadratic means). This test method gives equal importance to humps and dips, measured up (+) and down (−), respectively, from the imaginary chords. 1.1.3 Appendix X1 is a commentary on this test method. Appendix X2 provides a computer program for waviness index calculations based on this test method. 1.2 The values stated in inch-pound units are to be regarded as standard. No other units of measurement are included in this standard. 1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicab...
Abstract
Overview
ASTM E1486-14(2022) is the Standard Test Method for Determining Floor Tolerances Using Waviness, Wheel Path, and Levelness Criteria, developed by ASTM International. This standard outlines procedures for collecting and analyzing data to assess the flatness and levelness of floor surfaces in terms of waviness, wheel path performance, and levelness indices-all using inch-pound units. The method is applicable for both new and existing floor surfaces (excluding clay or concrete paver units) and serves as a crucial tool for evaluating floor profile quality in various construction and operational contexts.
Key Topics
- Surface Waviness: Measures the degree to which a floor deviates from a perfectly flat plane by assessing deviations from chord midpoints along survey lines. The calculation uses root mean square (RMS) principles, giving equal importance to both humps and dips in the floor surface.
- Wheel Path Criteria: Focuses on surfaces traversed by vehicles with defined wheel paths. It evaluates both transverse (side-to-side) and longitudinal (front-to-rear) elevation differences and their RMS values for compliance with specified tolerances.
- Levelness Criteria: Assesses how well the surface elevation data conform to the mean elevation of the test section (elevation conformance) and checks the RMS slope along survey lines against specified limits.
- Statistical and Graphical Analysis: The standard guides users in computing statistical indices and producing graphical representations of floor surface profiles, facilitating clear communication of compliance and surface characteristics.
Applications
- Quality Control in Construction: Use ASTM E1486-14(2022) for verifying that floor installations meet flatness and levelness requirements. It is instrumental for acceptance testing of random-traffic or fixed-path trafficked floors in commercial and industrial buildings.
- Evaluation of Construction Methods: Compare how different concreting and finishing techniques impact floor waviness, which can help optimize processes for future projects.
- Investigating Floor Behavior: Assess floor curling and deflection-key issues in concrete slabs-to diagnose service performance or remediate potential issues.
- Profile Characterization: Analyze the characteristics of various surface types, not limited to floors, to establish performance benchmarks or diagnose irregularities.
- Defined vs. Random Traffic: Adapt the testing approach based on whether the floor is intended for random pedestrian/vehicular use or has dedicated wheel paths (e.g., warehouses, manufacturing facilities).
Related Standards
- ASTM E1486M: Companion test method using the metric SI system for similar floor tolerance assessments.
- ASTM E1155: Standard Test Method for Determining FF Floor Flatness and FL Floor Levelness Numbers, often referenced for floor flatness and levelness using different indices.
- ASTM E1155M: Metric version of ASTM E1155, compatible with international measurement preferences.
- International Standardization Principles: ASTM E1486-14(2022) is developed according to globally recognized principles, supporting compliance with the WTO's Technical Barriers to Trade (TBT) recommendations.
Practical Value
Implementing ASTM E1486-14(2022) provides stakeholders-contractors, engineers, architects, and facility managers-with a standardized, reliable method for evaluating floor profile tolerance. It supports:
- Ensuring Compliance: Confirm that floors meet specified flatness and levelness criteria, critical for safety and proper functioning of equipment.
- Documenting Performance: Generate reproducible, detailed reports and graphical profiles for project documentation, dispute resolution, or ongoing maintenance planning.
- Optimizing Floor Maintenance: Early detection and correction of floor irregularities saves long-term repair costs and reduces downtime.
- Supporting International Trade and Construction: Facilitates fair assessment in international projects, ensuring quality across borders.
For anyone involved in building construction, facility management, or quality assurance, ASTM E1486-14(2022) is an essential reference for achieving and certifying high standards of floor flatness and levelness.
Технические детали
- Технический комитет
- E06 - Performance of Buildings
- SKU
- ASTM E1486-14(2022)
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