355.2-2019

Qualification of Post-Installed Mechanical Anchors in Concrete and Commentary

355.2-2019 发布历史

ACI 355.2 prescribes testing and evaluation requirements for post-installed mechanical anchors intended for use in concrete designed under the provisions of ACI 318. Criteria are prescribed to determine whether anchors are acceptable for use in uncracked concrete only@ or in cracked as well as uncracked concrete. Criteria are prescribed to determine the performance category for each anchor. The anchor performance categories are used by ACI 318 to assign capacity reduction factors and other design parameters. ACI 355.2 describes the tests required to qualify a post-installed mechanical anchor or anchor system for use under the provisions of ACI 318. ACI 355.2 applies to post-installed mechanical anchors (torque-controlled expansion anchors@ displacement-controlled expansion anchors@ undercut anchors@ and screw anchors) placed into predrilled holes and anchored within the concrete by mechanical means. ACI 355.2 applies to expansion@ undercut@ and screw anchors with a minimum effective embedment depth of 1-1/2 in. (40 mm) and with a nominal diameter of 1/4 in. (6 mm) or larger. Screw anchors are limited to a maximum effective embedment of 10da (refer to R1.4). The values stated either in inch-pound units or SI units are to be separately regarded. Within the text@ the SI units are shown in parentheses. The values in each system are not exact equivalents; therefore@ each system shall be used independently of the other. Combining values from the two systems shall result in nonconformance with ACI 355.2.

355.2-2019由ACI - American Concrete Institute 发布于 2019-06-01，并于 2019-07-01 实施。

355.2-2019的历代版本如下：

• 2000年07月07日 355.2-2000
• 2019年06月01日 355.2-2019

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标准号

355.2-2019

发布日期

2019年06月01日

实施日期

2019年07月01日

废止日期

无

中国标准分类号

/

国际标准分类号

/

发布单位

ACI - American Concrete Institute

引用标准

96

适用范围

ACI 355.2 prescribes testing and evaluation requirements for post-installed mechanical anchors intended for use in concrete designed under the provisions of ACI 318. Criteria are prescribed to determine whether anchors are acceptable for use in uncracked concrete only@ or in cracked as well as uncracked concrete. Criteria are prescribed to determine the performance category for each anchor. The anchor performance categories are used by ACI 318 to assign capacity reduction factors and other design parameters. ACI 355.2 describes the tests required to qualify a post-installed mechanical anchor or anchor system for use under the provisions of ACI 318. ACI 355.2 applies to post-installed mechanical anchors (torque-controlled expansion anchors@ displacement-controlled expansion anchors@ undercut anchors@ and screw anchors) placed into predrilled holes and anchored within the concrete by mechanical means. ACI 355.2 applies to expansion@ undercut@ and screw anchors with a minimum effective embedment depth of 1-1/2 in. (40 mm) and with a nominal diameter of 1/4 in. (6 mm) or larger. Screw anchors are limited to a maximum effective embedment of 10da (refer to R1.4). The values stated either in inch-pound units or SI units are to be separately regarded. Within the text@ the SI units are shown in parentheses. The values in each system are not exact equivalents; therefore@ each system shall be used independently of the other. Combining values from the two systems shall result in nonconformance with ACI 355.2.