<![CDATA[Civil Engineering Association

<![CDATA[Civil Engineering Association - ISO]]> https://forum.civilea.com/ Fri, 01 May 2026 00:56:09 +0000 MyBB <![CDATA[ISO 22705-2:Springs Measurement and test parameters Part 2: Cold formed cylindrical h]]> https://forum.civilea.com/thread-58135.html Sun, 03 Mar 2024 09:18:58 +0200 poolmand]]> https://forum.civilea.com/thread-58135.html ISO 22705-2:2023 Springs Measurement and test parameters Part 2: Cold formed cylindrical helical extension springs

| Format: PDF| Quality: Scanner| Year: 2023| pages: 35

This document specifies the measurement and test methods for general characteristics of cold formed helical extension springs made from round wire, excluding dynamic testing.

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]]> ISO 22705-2:2023 Springs Measurement and test parameters Part 2: Cold formed cylindrical helical extension springs

| Format: PDF| Quality: Scanner| Year: 2023| pages: 35

This document specifies the measurement and test methods for general characteristics of cold formed helical extension springs made from round wire, excluding dynamic testing.

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]]> <![CDATA[ISO 22477 Geotechnical investigation and testing]]> https://forum.civilea.com/thread-58134.html Sun, 03 Mar 2024 08:58:00 +0200 poolmand]]> https://forum.civilea.com/thread-58134.html
ISO 22477-1:2018 Geotechnical investigation and testing — Testing of geotechnical structures — Part 1: Testing of piles: static compression load testing
ISO 22477-2:2023 Geotechnical investigation and testing — Testing of geotechnical structures — Part 2: Testing of piles: Static tension load testing
ISO 22477-4:2018 Geotechnical investigation and testing — Testing of geotechnical structures — Part 4: Testing of piles: dynamic load testing
ISO 22477-5:2018 Geotechnical investigation and testing — Testing of geotechnical structures — Part 5: Testing of grouted anchors
ISO 22477-10:2016 Geotechnical investigation and testing — Testing of geotechnical structures — Part 10: Testing of piles: rapid load testing

| Format: PDF| Quality: Scanner| Year: 2018 & 2023

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]]>
ISO 22477-1:2018 Geotechnical investigation and testing — Testing of geotechnical structures — Part 1: Testing of piles: static compression load testing
ISO 22477-2:2023 Geotechnical investigation and testing — Testing of geotechnical structures — Part 2: Testing of piles: Static tension load testing
ISO 22477-4:2018 Geotechnical investigation and testing — Testing of geotechnical structures — Part 4: Testing of piles: dynamic load testing
ISO 22477-5:2018 Geotechnical investigation and testing — Testing of geotechnical structures — Part 5: Testing of grouted anchors
ISO 22477-10:2016 Geotechnical investigation and testing — Testing of geotechnical structures — Part 10: Testing of piles: rapid load testing

| Format: PDF| Quality: Scanner| Year: 2018 & 2023

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]]> <![CDATA[ISO 16834: Welding consumables Wire electrodes, wires, rods and deposits for gas shie]]> https://forum.civilea.com/thread-58101.html Sat, 03 Feb 2024 12:45:23 +0200 poolmand]]> https://forum.civilea.com/thread-58101.html ISO 16834:2012 Welding consumables Wire electrodes, wires, rods and deposits for gas shielded arc welding of high strength steels

ISO 16834:2012 specifies requirements for classification of wire electrodes, wires, rods and all-weld metal deposits in the as-welded condition and in the post-weld heat-treated (PWHT) condition for gas shielded metal arc welding and tungsten inert-gas welding of high-strength steels with a minimum yield strength greater than 500 MPa, or a minimum tensile strength greater than 570 MPa. One wire electrode can be tested and classified with different shielding gases.

ISO 16834:2012 is a combined specification providing for classification utilizing a system based upon the yield strength and the average impact energy of 47 J of all-weld metal, or utilizing a system based upon the tensile strength and the average impact energy of 27 J of all-weld metal.

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]]> ISO 16834:2012 Welding consumables Wire electrodes, wires, rods and deposits for gas shielded arc welding of high strength steels

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]]> <![CDATA[ISO 4773: Non-destructive testing Ultrasonic guided-wave testing using the phased-arr]]> https://forum.civilea.com/thread-58100.html Sat, 03 Feb 2024 12:42:34 +0200 poolmand]]> https://forum.civilea.com/thread-58100.html ISO 4773:2023 Non-destructive testing Ultrasonic guided-wave testing using the phased-array technique

This document specifies a concept of application of phased-array guided-wave testing for various types of inaccessible structures, including buried pipelines.

Materials considered are carbon steel and stainless steel. This document does not include principles and criteria for underground facilities and the phased-array ultrasonic guided-wave testing scheme.

Furthermore, this document consists of an optimized process to draw reliable test results on inaccessible pipe cases. This document provides guidance on the use of phased-array guided-wave testing for various types of inaccessible structures, including buried pipelines made of carbon steel and stainless steel. The methodology outlined in this document includes an optimized process for achieving reliable test results on inaccessible pipe cases, with adjustments made to the beam pattern of the GW's focus location based on the defect type, location, and frequency. The process also takes into consideration the distribution diagram of the guided waves and the characteristics of the selected mode, with optimal focusing and steering achieved by adjusting the excitation time delay for each transducer based on the number of circumferential arrangement intervals of a given array probe.

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]]> ISO 4773:2023 Non-destructive testing Ultrasonic guided-wave testing using the phased-array technique

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]]> <![CDATA[ISO/TR 12930 Seismic design examples based on ISO 23469]]> https://forum.civilea.com/thread-58086.html Sun, 28 Jan 2024 15:30:53 +0200 poolmand]]> https://forum.civilea.com/thread-58086.html ISO/TR 12930:2014 Seismic design examples based on ISO 23469

| Format: PDF| Quality: Scanner| Year: 2014-04| pages: 215

ISO/TR 12930:2014 provides seismic design examples for geotechnical works based on ISO 23469:2005 in order to demonstrate how to use this ISO standard. The design examples are intended to provide guidance to experienced practicing engineers and code writers. Geotechnical works include buried structures (e.g. buried tunnels, box culverts, pipelines, and underground storage facilities), foundations (e.g. shallow and deep foundations, and underground diaphragm walls), retaining walls (e.g. soil retaining and quay walls), pile-supported wharves and piers, earth structures (e.g. earth and rock fill dams and embankments), gravity dams, tanks, landfill and waste sites.

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]]> ISO/TR 12930:2014 Seismic design examples based on ISO 23469

| Format: PDF| Quality: Scanner| Year: 2014-04| pages: 215

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]]> <![CDATA[BS ISO 16172 Steel sheet, metallic-coated by the continuous hot-dip process for corru]]> https://forum.civilea.com/thread-58085.html Sun, 28 Jan 2024 15:01:34 +0200 poolmand]]> https://forum.civilea.com/thread-58085.html BS ISO 16172:2018 Steel sheet, metallic-coated by the continuous hot-dip process for corrugated steel pipe

This document is applicable to the minimum requirements for steel sheet used in the manufacture of corrugated steel pipe, in coils, flat cut lengths and corrugated cut lengths metallic-coated by the continuous hot-dip process.

This product is intended for storm sewers, culverts, drains and similar uses.

Several metallic-coated materials are covered, which relies on users to determine which product best serves their needs. Four different metallic coatings are included:

— zinc coated;

— zinc-5 % aluminium-mischmetal alloy coated;

— 55 % aluminium-zinc alloy coated;

— aluminium-silicon alloy coated.

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]]> BS ISO 16172:2018 Steel sheet, metallic-coated by the continuous hot-dip process for corrugated steel pipe

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]]> <![CDATA[ISO 22502 Simplified design of connections of concrete claddings to concrete structur]]> https://forum.civilea.com/thread-58082.html Sun, 28 Jan 2024 14:48:34 +0200 poolmand]]> https://forum.civilea.com/thread-58082.html ISO 22502:2020 Simplified design of connections of concrete claddings to concrete structures

| Size: 8.05 MB| Format: PDF| Quality: Scanner| Year: 2020-08

The present document refers to the panel-to-structure and panel-to panel connections used for the cladding systems of reinforced concrete frame structures of single-storey buildings, typically precast. They can be used also for multi-storey buildings with proper modifications.

The fastening devices considered in the present document consist mainly of steel elements or sliding connectors. Dissipative devices with friction or plastic behaviour are also considered. Other types of common supports and bond connections are treated where needed.

The use of any other existing fastening types or the connections with different characteristics than those described in the following clauses is not allowed unless comparable experimental and analytical studies do provide the necessary data and verify the design methodology for the particular type.

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]]> <![CDATA[ISO 20987 Simplified design for mechanical connections between precast concrete struc]]> https://forum.civilea.com/thread-58081.html Sun, 28 Jan 2024 14:45:11 +0200 poolmand]]> https://forum.civilea.com/thread-58081.html ISO 20987:2019 Simplified design for mechanical connections between precast concrete structural elements in buildings

| Size: 8.81 MB| Format: PDF| Quality: Scanner| Year: 2019-10

This document refers to connections in precast frame systems, either for single-storey or multi-storey buildings. The connections for all orders of joints are considered. Large wall panel and three-dimensional cell systems are not considered.

According to the position in the overall construction and of the consequent different structural functions, the seven following orders of joints are considered:

a) mutual joints between floor or roof elements (floor-to-floor) that, in the seismic behaviour of the structural system, concern the diaphragm action of the floor;

b) joints between floor or roof elements and supporting beams (floor-to-beam) that give the peripheral constraints to the floor diaphragm in its seismic behaviour;

c) joints between beam and column (beam-to-column) that ensure in any direction the required degree of restraint in the frame system;

d) joints between column segments (column-to-column) used for multi-storey buildings usually for dual wall braced systems;

e) joints between column and foundation (column-to-foundation), able to ensure in any plane a fixed full support of the column;

f) fastenings of cladding panels to the structure (panel-to-structure) that ensure the stability of the panels under the high forces or the large drifts expected under seismic action;

g) joints between adjacent cladding panels (panel-to-panel) possibly used to increase the stiffness of the peripheral wall system and provide an additional source of energy dissipation.

Simple bearings working by gravity load friction are not considered. Sliding and elastic deformable supporting devices neither, being all these types of connections not suitable for the transmission of seismic actions.

The document provides formulae for the strength design of a large number of joint typologies.

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| Size: 8.81 MB| Format: PDF| Quality: Scanner| Year: 2019-10

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]]> <![CDATA[ISO 21725-2: Simplified design of prestressed concrete bridges Part 2: Box-girder bri]]> https://forum.civilea.com/thread-58075.html Sat, 27 Jan 2024 09:23:07 +0200 poolmand]]> https://forum.civilea.com/thread-58075.html ISO 21725-2:2021 Simplified design of prestressed concrete bridges
Part 2: Box-girder bridges

This document provides information to perform the design of the prestressed concrete box girder bridge for road that complies with the limitations established in 6.1. The rules of design as set forth in the document are simplifications of more elaborate requirements. Among several erection methods of box girder bridges, the provisions of this document are mainly applicable to full staging method (FSM).

Designs and details for new road bridges address structural integrity by considering the following:

— the use of continuity and redundancy to provide one or more alternate paths;

— structural members and bearing seat widths that are resistant to damage or instability; and

— external protection systems to minimize the effects of reasonably conceived severe loads.

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]]> ISO 21725-2:2021 Simplified design of prestressed concrete bridges
Part 2: Box-girder bridges

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]]> <![CDATA[ISO 21725-1: Simplified design of prestressed concrete bridges Part 1: I-girder bridg]]> https://forum.civilea.com/thread-58074.html Sat, 27 Jan 2024 09:21:02 +0200 poolmand]]> https://forum.civilea.com/thread-58074.html ISO 21725-1:2021 Simplified design of prestressed concrete bridges
Part 1: I-girder bridges

This document provides information to perform the design of the prestressed concrete I-girder bridge for road that complies with the limitations established in 6.1. The rules of design set forth in this document are simplifications of more elaborate requirements.

Designs and details for new road bridges address structural integrity by considering the following:

— the use of continuity and redundancy to provide one or more alternate paths;

— structural members and bearing seat widths that are resistant to damage or instability; and

— external protection systems to minimize the effects of reasonably conceived severe loads.

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]]> ISO 21725-1:2021 Simplified design of prestressed concrete bridges
Part 1: I-girder bridges

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]]> <![CDATA[ISO 17892-9: Geotechnical investigation and testing — Laboratory testing of soil Cons]]> https://forum.civilea.com/thread-57626.html Sat, 22 Jul 2023 08:56:45 +0300 poolmand]]> https://forum.civilea.com/thread-57626.html ISO 17892-9:2018: Geotechnical investigation and testing — Laboratory testing of soil — Part 9: Consolidated triaxial compression tests on water saturated soils

**This standard was last reviewed and confirmed in 2023. Therefore this version remains current.**

ISO 17892-9:2018 specifies a method for consolidated triaxial compression tests on water-saturated soils.

ISO 17892-9:2018 is applicable to the laboratory determination of triaxial shear strength under compression loading within the scope of geotechnical investigations.

The cylindrical specimen, which can comprise undisturbed, re-compacted, remoulded or reconstituted soil, is subjected to an isotropic or an anisotropic stress under drained conditions and thereafter is sheared under undrained or drained conditions. The test allows the determination of shear strength, stress-strain relationships and effective stress paths. All stresses and strains are denoted as positive numerical values in compression.

NOTE 1 This document provides a test for a single specimen. A set of at least three relatable tests are required to determine the shear strength parameters from these tests. Procedures for evaluating the results are included in Annex B and, where required, the shear strength parameters are to be included in the report.

Special procedures such as:

a) tests with lubricated ends;

b) multi-stage tests;

c) tests with zero lateral strain (K0) consolidation;

d) tests with local measurement of strain or local measurement of pore pressure;

e) tests without rubber membranes;

f) extension tests;

g) shearing where cell pressure varies,

are not fully covered in this procedure. However, these specific tests can refer to general procedures described in this document.

NOTE 2 This document fulfils the requirements of consolidated triaxial compression tests for geotechnical investigation and testing in accordance with EN 1997‑1 and EN 1997‑2.

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]]> <![CDATA[The ISO 19901-2:2017]]> https://forum.civilea.com/thread-56462.html Sat, 04 Sep 2021 12:24:26 +0300 poolmand]]> https://forum.civilea.com/thread-56462.html The ISO 19901-2:2017 :
Petroleum and natural gas industries
Specific requirements for offshore structures
Part 2: Seismic design procedures and criteria

ISO 19901-2:2017 contains requirements for defining the seismic design procedures and criteria for offshore structures; guidance on the requirements is included in Annex A. The requirements focus on fixed steel offshore structures and fixed concrete offshore structures. The effects of seismic events on floating structures and partially buoyant structures are briefly discussed. The site-specific assessment of jack-ups in elevated condition is only covered in ISO 19901-2:2017 to the extent that the requirements are applicable.

Only earthquake-induced ground motions are addressed in detail. Other geologically induced hazards such as liquefaction, slope instability, faults, tsunamis, mud volcanoes and shock waves are mentioned and briefly discussed.

The requirements are intended to reduce risks to persons, the environment, and assets to the lowest levels that are reasonably practicable. This intent is achieved by using:

a) seismic design procedures which are dependent on the exposure level of the offshore structure and the expected intensity of seismic events;

b) a two-level seismic design check in which the structure is designed to the ultimate limit state (ULS) for strength and stiffness and then checked to abnormal environmental events or the abnormal limit state (ALS) to ensure that it meets reserve strength and energy dissipation requirements.

Procedures and requirements for a site-specific probabilistic seismic hazard analysis (PSHA) are addressed for offshore structures in high seismic areas and/or with high exposure levels. However, a thorough explanation of PSHA procedures is not included.

Where a simplified design approach is allowed, worldwide offshore maps, which are included in Annex B, show the intensity of ground shaking corresponding to a return period of 1 000 years. In such cases, these maps may be used with corresponding scale factors to determine appropriate seismic actions for the design of a structure.

For design of fixed steel offshore structures, further specific requirements and recommended values of design parameters (e.g. partial action and resistance factors) are included in ISO 19902, while those for fixed concrete offshore structures are contained in ISO 19903. Seismic requirements for floating structures are contained in ISO 19904, for site-specific assessment of jack-ups and other MOUs in ISO 19905 (all parts), for arctic structures in ISO 19906 and for topsides structures in ISO 19901‑3.

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]]> The ISO 19901-2:2017 :
Petroleum and natural gas industries
Specific requirements for offshore structures
Part 2: Seismic design procedures and criteria

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]]> <![CDATA[EN 12350-1:Testing fresh concrete - Part 1: Sampling]]> https://forum.civilea.com/thread-56468.html Wed, 13 Jan 2021 08:56:32 +0200 concreteok]]> https://forum.civilea.com/thread-56468.html

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]]> <![CDATA[BS EN ISO 1461:2009]]> https://forum.civilea.com/thread-50220.html Fri, 06 Feb 2015 21:47:30 +0200 ir_71]]> https://forum.civilea.com/thread-50220.html

BS EN ISO 1461:2009

This International Standard specifies the general properties of coatings and test methods for coatings applied by dipping fabricated iron and steel articles (including certain castings) in a zinc melt (containing not more than 2 % of other metals). It does not apply to the following:
a) sheet, wire and woven or welded mesh products that are continuously hot dip galvanized;
b) tube and pipe that are hot dip galvanized in automatic plants;
c) hot dip galvanized products (e.g. fasteners) for which specific standards exist and which might include additional requirements or requirements which are different from those of this International Standard.

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BS EN ISO 1461:2009

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]]> <![CDATA[BS EN ISO 2178:1995 Non-magnetic coatings on magnetic substrates — Measurement of coa]]> https://forum.civilea.com/thread-50219.html Fri, 06 Feb 2015 21:38:58 +0200 ir_71]]> https://forum.civilea.com/thread-50219.html

BS EN ISO 2178:1995 Non-magnetic coatings on magnetic substrates — Measurement of coating thickness — Magnetic method

This International Standard specifies the method of using coating thickness instruments of the magnetic type for non-destructive measurements of the thickness of non-magnetic coatings (including vitreous and porcelain enamel coatings) on magnetic basis metals.
The method is applicable only for measurements on reasonably flat specimens. In the case of nickel coatings on non-magnetic substrates, the preferred method is that specified in ISO 2361.

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BS EN ISO 2178:1995 Non-magnetic coatings on magnetic substrates — Measurement of coating thickness — Magnetic method

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